| • | Abenaki language |
(1)
|
| • | Abolition, emancipation, freedom |
(1)
|
| • | Abolitionists. |
(1)
|
| • | Acquisitions (Libraries) |
(1)
|
| • | Actors |
(1)
|
| • | Aeronautics -- History |
(1)
|
| • | Agricultural exhibitions |
(1)
|
| • | Agriculture -- Missouri |
(1)
|
| • | Air -- Purification -- Equipment and supplies |
(1)
|
| • | Albert Medal |
(1)
|
| • | Alcoholic beverage industry -- United States |
(1)
|
| • | Alphabets |
(1)
|
| • | American Anti-Vivisection Society |
(1)
|
| • | American Philosophical Society |
(1)
|
| • | American Philosophical Society -- Prizes |
(1)
|
| • | American Philosophical Society. Library |
(1)
|
| • | American loyalists. | [X] |
| • | Anatomy -- Study and teaching. |
(1)
|
| • | Animal magnetism. |
(1)
|
| • | Anthropology |
(1)
|
| • | Antiquities -- Collection and preservation |
(1)
|
| • | Aquariums. |
(1)
|
| • | Archaeology -- Mexico |
(1)
|
| • | Archaeology -- United States. |
(1)
|
| • | Architecture |
(1)
|
| • | Archives |
(1)
|
| • | Arithmetic. |
(1)
|
| • | Art -- Exhibitions |
(1)
|
| • | Astronomical instruments. |
(1)
|
| • | Astronomy |
(1)
|
| • | Astronomy -- Early works to 1800 |
(1)
|
| • | Balloons. |
(1)
|
| • | Bank notes -- Forgeries |
(1)
|
| • | Bank notes -- Great Britain |
(1)
|
| • | Banks and banking -- Pennsylvania |
(1)
|
| • | Barometers. |
(1)
|
| • | Bartram's Garden (Philadelphia, Pa.) |
(1)
|
| • | Beaver Meadow Railroad and Coal Company |
(1)
|
| • | Bible - Criticism, interpretation, etc. |
(1)
|
| • | Bible. New Testament |
(1)
|
| • | Bible. O.T. Psalms, II, 1 -- Sermons |
(1)
|
| • | Biology. |
(1)
|
| • | Birds |
(1)
|
| • | Birds -- North America |
(1)
|
| • | Birds -- Pictorial works |
(1)
|
| • | Birmingham (Pa.) |
(1)
|
| • | Bookbinding |
(1)
|
| • | Books -- Auction catalogs |
(1)
|
| • | Booksellers and bookselling |
(1)
|
| • | Boston Port Bill, 1774 |
(1)
|
| • | Boston Tea Party, Boston, Mass., 1773 |
(1)
|
| • | Botany |
(1)
|
| • | Botany -- Catalogs -- France |
(1)
|
| • | Botany -- Catalogs -- Great Britain |
(1)
|
| • | Botany -- Catalogs -- United States |
(1)
|
| • | Botany -- New York (State) |
(1)
|
| • | Braddock's Campaign, 1755. |
(1)
|
| • | Brandywine, Battle of, 1777 |
(1)
|
| • | Bridges. |
(1)
|
| • | Building materials |
(1)
|
| • | Bunker Hill, Battle of, 1775 |
(1)
|
| • | Business cards |
(1)
|
| • | Cables -- Atlantic Ocean |
(1)
|
| • | Calculators. |
(1)
|
| • | Calendars |
(1)
|
| • | Campus Martius (Marietta, Ohio) |
(1)
|
| • | Canada -- Description and travel |
(1)
|
| • | Canada -- Maps |
(1)
|
| • | Canals -- Pennsylvania |
(1)
|
| • | Capture at sea |
(1)
|
| • | Carriages and carts |
(1)
|
| • | Cements, Adhesive |
(1)
|
| • | Cetacea |
(1)
|
| • | Charities -- England -- London |
(1)
|
| • | Chemicals |
(1)
|
| • | Chemistry |
(1)
|
| • | Chemistry -- History |
(1)
|
| • | Chemistry -- Nomenclature |
(1)
|
| • | Chemistry -- Study and teaching |
(1)
|
| • | Cherokee language -- Alphabet |
(1)
|
| • | Cherokee language -- Texts |
(1)
|
| • | Chesapeake and Delaware Canal |
(1)
|
| • | China -- Medical care |
(1)
|
| • | Chinese language |
(1)
|
| • | Chipewyan language |
(1)
|
| • | Christian calendars |
(1)
|
| • | Christianity |
(1)
|
| • | Christmas |
(1)
|
| • | Chronometers |
(1)
|
| • | Church buildings -- Pennsylvania-Philadelphia |
(1)
|
| • | Church of Scotland |
(1)
|
| • | Civilization -- Early works to 1800 |
(1)
|
| • | Clocks and watches. |
(1)
|
| • | Coinage. |
(1)
|
| • | Coins |
(1)
|
| • | Colombia -- Census |
(1)
|
| • | Columbia (Symbolic character) |
(1)
|
| • | Comets -- Orbits |
(1)
|
| • | Commerce. |
(1)
|
| • | Congratulations, greetings, thanks |
(1)
|
| • | Conjoined twins |
(1)
|
| • | Conservation of natural resources. |
(1)
|
| • | Constitutional history -- United States |
(1)
|
| • | Cotton |
(1)
|
| • | Cotton -- Diseases and pests |
(1)
|
| • | Cotton -- Statistics |
(1)
|
| • | Counting |
(1)
|
| • | Court summons |
(1)
|
| • | Courtship -- Songs and music |
(1)
|
| • | Criticism -- History |
(1)
|
| • | Crucero Iberia |
(1)
|
| • | Crusades |
(1)
|
| • | Cuba -- Statistics, Vital |
(1)
|
| • | Cutlery |
(1)
|
| • | Cyclopedia |
(1)
|
| • | Dance cards |
(1)
|
| • | Darwinism. |
(1)
|
| • | Daylight saving |
(1)
|
| • | Delaware Indians |
(1)
|
| • | Delaware Indians -- Religion |
(1)
|
| • | Democratic National Convention (1864 : Chicago, Ill.) |
(1)
|
| • | Design |
(1)
|
| • | Dickinson College -- History -- Sources |
(1)
|
| • | Dwellings -- Heating and ventilation |
(1)
|
| • | Earth (Planet) |
(1)
|
| • | Eclipses. |
(1)
|
| • | Education |
(1)
|
| • | Education -- Congresses |
(1)
|
| • | Education -- South Carolina |
(1)
|
| • | Education -- Study and teaching -- England. |
(1)
|
| • | Education -- United States. |
(1)
|
| • | Eidouranion |
(1)
|
| • | Electricity |
(1)
|
| • | Electrotherapeutics |
(1)
|
| • | Encyclopedias and dictionaries, French |
(1)
|
| • | English language |
(1)
|
| • | Entomology -- United States. |
(1)
|
| • | Episcopal Church -- Pennsylvania -- Philadelphia |
(1)
|
| • | Eskimo languages |
(1)
|
| • | Fairmount Water Works (Philadelphia, Pa.) |
(1)
|
| • | Fire extinction -- Pennsylvania -- Philadelphia |
(1)
|
| • | Fisheries -- Great Britain |
(1)
|
| • | Fishes -- Catalogs and collections |
(1)
|
| • | Fishes -- Italy |
(1)
|
| • | Flags -- United States. |
(1)
|
| • | Flight |
(1)
|
| • | Flour |
(1)
|
| • | Forests and forestry -- United States -- Maps |
(1)
|
| • | Forests and forestry -- United States. |
(1)
|
| • | Foundries |
(1)
|
| • | France. Chambre des pairs |
(1)
|
| • | France. Code civil |
(1)
|
| • | Franklin (Aircraft carrier) |
(1)
|
| • | Franklin Institute (Philadelphia, Pa.) -- History |
(1)
|
| • | Franklin Journal |
(1)
|
| • | Franklin, Benjamin, 1706-1790 |
(1)
|
| • | Franklin, Benjamin, 1706-1790 -- Imprints |
(1)
|
| • | Freemasonry -- France -- History. |
(1)
|
| • | Freemasons -- Pennsylvania |
(1)
|
| • | French language |
(1)
|
| • | Friendly Association for Regaining and Preserving Peace with the Indians by Pacific Measures |
(1)
|
| • | Fruits |
(1)
|
| • | Furnaces |
(1)
|
| • | Gas-lighting. |
(1)
|
| • | Genetics -- History. |
(1)
|
| • | Genetics -- Societies, etc. |
(1)
|
| • | Geodesy |
(1)
|
| • | Geography -- Europe |
(1)
|
| • | Geology |
(1)
|
| • | Geology -- Great Britain. |
(1)
|
| • | Geology -- Pennsylvania. |
(1)
|
| • | Geology -- Tables |
(1)
|
| • | Geology, Stratigraphic. |
(1)
|
| • | Girard College |
(1)
|
| • | Girls' Schools -- France -- Paris |
(1)
|
| • | Gorlitz (Dresden, Germany). Gymnasium |
(1)
|
| • | Grapes |
(1)
|
| • | Great Britain -- Colonies -- America |
(1)
|
| • | Great Britain. Treaties, etc. United States, 1783 Sept. 3 |
(1)
|
| • | Great Central Fair for the U.S. Sanitary Commission (1864 : Philadelphia, Pa.) |
(1)
|
| • | Grinnell Expedition, 2d, 1853-1855 |
(1)
|
| • | Haiti -- History -- Sources |
(1)
|
| • | Harvard University -- Students |
(1)
|
| • | Hessians |
(1)
|
| • | Historic buildings -- Canada |
(1)
|
| • | Historic buildings -- United States |
(1)
|
| • | History of the earth and animated nature |
(1)
|
| • | History. |
(1)
|
| • | Hollywood (Md.) |
(1)
|
| • | Honors -- Royal Society (Great Britain) |
(1)
|
| • | Hospitals -- Pennsylvania -- Philadelphia. |
(1)
|
| • | Hospitals -- United States -- Civil War, 1861-1865. |
(1)
|
| • | Human beings -- Origin |
(1)
|
| • | Hybridization |
(1)
|
| • | Hymns |
(1)
|
| • | Hypnotism |
(1)
|
| • | Independence Hall (Philadelphia, Pa.) |
(1)
|
| • | Indians of North America |
(1)
|
| • | Indians of North America -- Antiquities |
(1)
|
| • | Indians of North America -- Government relations |
(1)
|
| • | Indians of North America -- History |
(1)
|
| • | Indians of North America -- Languages |
(1)
|
| • | Indulgences |
(1)
|
| • | Inland navigation -- United States |
(1)
|
| • | Insurance -- Great Britain |
(1)
|
| • | Iron and steel bridges |
(1)
|
| • | Iroquois Indians -- Agriculture |
(1)
|
| • | Jena, Battle of, Jena, Germany, 1806 |
(1)
|
| • | Jesus Christ |
(1)
|
| • | Kings and rulers |
(1)
|
| • | Laboratories |
(1)
|
| • | Lamps |
(1)
|
| • | Land speculation |
(1)
|
| • | Land use -- Ohio |
(1)
|
| • | Landscape architecture |
(1)
|
| • | Language and languages -- Orthography and spelling |
(1)
|
| • | Latin language |
(1)
|
| • | Law -- Periodicals |
(1)
|
| • | Law -- Virginia |
(1)
|
| • | Lectures, public speaking |
(1)
|
| • | Lehigh Coal and Navigation Company |
(1)
|
| • | Liberty Bell |
(1)
|
| • | Library rules and regulations |
(1)
|
| • | Library science -- Congresses |
(1)
|
| • | Life preservers |
(1)
|
| • | Light |
(1)
|
| • | Lightning |
(1)
|
| • | Lightning conductors |
(1)
|
| • | Lions |
(1)
|
| • | Lippincott's magazine of literature, science and education |
(1)
|
| • | Locks and keys |
(1)
|
| • | Locusts |
(1)
|
| • | London (England) -- Maps |
(1)
|
| • | Longitude. |
(1)
|
| • | Lord's prayer |
(1)
|
| • | Lotteries |
(1)
|
| • | Lowell Observatory |
(1)
|
| • | Lumadrama |
(1)
|
| • | Lyceums. |
(1)
|
| • | Machinery. |
(1)
|
| • | Magic squares |
(1)
|
| • | Magna Carta |
(1)
|
| • | Mammoths. |
(1)
|
| • | Martial law -- Philadelphia (Pa.) |
(1)
|
| • | Massachusetts -- Finance |
(1)
|
| • | Mastodon |
(1)
|
| • | Mastodon -- Exhibitions |
(1)
|
| • | Mathematical instruments |
(1)
|
| • | Maxims |
(1)
|
| • | Medical sciences -- Periodicals |
(1)
|
| • | Medicine -- Congresses |
(1)
|
| • | Medicine -- Humor |
(1)
|
| • | Medicine -- Study and teaching. |
(1)
|
| • | Menageries -- Boston (Mass.) |
(1)
|
| • | Menageries -- Great Britain |
(1)
|
| • | Menageries -- Philadelphia |
(1)
|
| • | Mercantile Library of Philadelphia |
(1)
|
| • | Merino sheep |
(1)
|
| • | Mesmerism. |
(1)
|
| • | Meteorology |
(1)
|
| • | Meteorology - Observations |
(1)
|
| • | Meteorology -- Observations -- England -- London |
(1)
|
| • | Meteorology -- Observations. |
(1)
|
| • | Meteorology -- Tables |
(1)
|
| • | Meteors. |
(1)
|
| • | Mexico -- History -- 1821-1861 |
(1)
|
| • | Mexico -- History -- Sources |
(1)
|
| • | Microscopy. |
(1)
|
| • | Mineralogy |
(1)
|
| • | Missionaries -- China. |
(1)
|
| • | Mississippi River Valley -- Description and travel |
(1)
|
| • | Missourium |
(1)
|
| • | Mohawk Indians |
(1)
|
| • | Mohawk language -- Texts |
(1)
|
| • | Mohegan Indians -- Religion |
(1)
|
| • | Mollusks. |
(1)
|
| • | Money |
(1)
|
| • | Moral philosophy |
(1)
|
| • | Moravians -- Missions |
(1)
|
| • | Morphology. |
(1)
|
| • | Mosquitoes. |
(1)
|
| • | Mothers |
(1)
|
| • | Mound-builders -- United States |
(1)
|
| • | Mounds -- United States |
(1)
|
| • | Mount Vernon School (Boston, Mass.) |
(1)
|
| • | Museums |
(1)
|
| • | Museums -- New York (State) -- New York. |
(1)
|
| • | Museums -- Pennsylvania -- Philadelphia -- 19th century. |
(1)
|
| • | Mustard |
(1)
|
| • | Mysticism |
(1)
|
| • | National Academy of Sciences |
(1)
|
| • | National songs -- United States |
(1)
|
| • | Natural Philosophy |
(1)
|
| • | Natural history |
(1)
|
| • | Natural history -- Periodicals |
(1)
|
| • | Natural history -- Societies, etc. |
(1)
|
| • | Natural history -- South America |
(1)
|
| • | Natural history -- Technique |
(1)
|
| • | Natural history -- United States. |
(1)
|
| • | Nebulae |
(1)
|
| • | New Orleans Canal and Banking Company |
(1)
|
| • | Newspapers -- Pennsylvania -- Philadelphia |
(1)
|
| • | Occultism |
(1)
|
| • | Odometers |
(1)
|
| • | Oneida Community |
(1)
|
| • | Optical instruments |
(1)
|
| • | Orators |
(1)
|
| • | Ordnance |
(1)
|
| • | Ozone |
(1)
|
| • | Painting -- Exhibitions |
(1)
|
| • | Paleontology |
(1)
|
| • | Paleontology -- Missouri |
(1)
|
| • | Paper money -- United States -- History -- Revolution, 1775-1783 |
(1)
|
| • | Patent medicines |
(1)
|
| • | Patriotische Martyrer |
(1)
|
| • | Peale's Museum (Philadelphia, Pa.) |
(1)
|
| • | Pennsylvania -- History |
(1)
|
| • | Pennsylvania -- History -- Colonial period, ca. 1600-1775 |
(1)
|
| • | Perpetual calendars |
(1)
|
| • | Perpetual motion |
(1)
|
| • | Pharmacology. |
(1)
|
| • | Philadelphia (Pa.) -- Finance |
(1)
|
| • | Philadelphia (Pa.) -- Statistics, Vital |
(1)
|
| • | Philadelphia (Pa.). Militia |
(1)
|
| • | Phrenology. |
(1)
|
| • | Physical geography -- Canada |
(1)
|
| • | Physical instruments |
(1)
|
| • | Physicians |
(1)
|
| • | Phytogeography -- United States -- Maps |
(1)
|
| • | Planets |
(1)
|
| • | Planets -- Observations |
(1)
|
| • | Plants -- Collection and preservation. |
(1)
|
| • | Plows. |
(1)
|
| • | Polarization (Light) |
(1)
|
| • | Political geography |
(1)
|
| • | Political satire |
(1)
|
| • | Poor laws -- Great Britain |
(1)
|
| • | Portraits. |
(1)
|
| • | Portsmouth (N.H.) -- Statistics, Vital |
(1)
|
| • | Postal service -- History |
(1)
|
| • | Postal service -- United States. |
(1)
|
| • | Presidents -- United States -- Autographs |
(1)
|
| • | Presidents -- United States -- Election -- 1804 |
(1)
|
| • | Presidents -- United States -- Election -- 1840 |
(1)
|
| • | Presidents -- United States -- Election -- 1864 |
(1)
|
| • | Prices |
(1)
|
| • | Prices -- France |
(1)
|
| • | Prices -- Italy -- Trieste |
(1)
|
| • | Prices -- Pennsylvania -- Philadelphia |
(1)
|
| • | Prices -- United States |
(1)
|
| • | Princeton, Battle of, Princeton, N.J., 1777 |
(1)
|
| • | Printing machinery and supplies |
(1)
|
| • | Printing presses |
(1)
|
| • | Prisons |
(1)
|
| • | Privateering |
(1)
|
| • | Prizes |
(1)
|
| • | Processions -- Pennsylvania -- Philadelphia |
(1)
|
| • | Promissory notes |
(1)
|
| • | Propaganda, American |
(1)
|
| • | Prophecies |
(1)
|
| • | Quakers. |
(1)
|
| • | Railroads -- Mexico |
(1)
|
| • | Railroads -- Pennsylvania |
(1)
|
| • | Railroads -- Pennsylvania -- History |
(1)
|
| • | Railroads. |
(1)
|
| • | Real property -- Pennsylvania. |
(1)
|
| • | Real property. |
(1)
|
| • | Redwood family |
(1)
|
| • | Reigate and Godstone Railway |
(1)
|
| • | Religious education -- Massachusetts |
(1)
|
| • | Retired women -- France -- Paris |
(1)
|
| • | Rewards programs (Criminal investigation) |
(1)
|
| • | Roads -- Pennsylvania |
(1)
|
| • | Roots, Numerical |
(1)
|
| • | Royal College of Physicians of London |
(1)
|
| • | Royal Humane Society (London, England) |
(1)
|
| • | Rutgers College |
(1)
|
| • | Salt industry and trade |
(1)
|
| • | Scales (Weighing instruments) |
(1)
|
| • | Schools -- Denmark |
(1)
|
| • | Science |
(1)
|
| • | Science -- Congresses |
(1)
|
| • | Science -- History -- Study and teaching |
(1)
|
| • | Science -- Philosophy -- Study and teaching |
(1)
|
| • | Science -- Societies, etc. |
(1)
|
| • | Science -- Study and teaching. |
(1)
|
| • | Scientific apparatus and instruments. |
(1)
|
| • | Scientific expeditions. |
(1)
|
| • | Seals and labels (Philately) -- Pennsylvania -- Philadelphia |
(1)
|
| • | Seeds -- Catalogs |
(1)
|
| • | Seneca Indians |
(1)
|
| • | Serpents |
(1)
|
| • | Sheffield (England) |
(1)
|
| • | Shipbuilding |
(1)
|
| • | Shippensburg (Pa.) |
(1)
|
| • | Ships, Iron and steel -- Great Britain |
(1)
|
| • | Signals and signaling |
(1)
|
| • | Silk |
(1)
|
| • | Slavery -- Pennsylvania. |
(1)
|
| • | Slavery -- United States. |
(1)
|
| • | Slaves, slavery, slave trade |
(1)
|
| • | Slavey language |
(1)
|
| • | Smallpox |
(1)
|
| • | Smallpox -- Vaccination |
(1)
|
| • | Social cards |
(1)
|
| • | Societies. |
(1)
|
| • | Society of Friends |
(1)
|
| • | Society of Friends -- Great Britain. |
(1)
|
| • | Solar eclipses. |
(1)
|
| • | South Carolina -- Politics and government |
(1)
|
| • | Southwark (Philadelphia, Pa.) |
(1)
|
| • | Spelling reform |
(1)
|
| • | Stamp Act, 1765 |
(1)
|
| • | Stars. |
(1)
|
| • | Steam |
(1)
|
| • | Steam-carriages |
(1)
|
| • | Steam-engines. |
(1)
|
| • | Steam-navigation |
(1)
|
| • | Steamboats -- United States. |
(1)
|
| • | Stoves |
(1)
|
| • | Strikes and lockouts |
(1)
|
| • | Success |
(1)
|
| • | Sugar beet |
(1)
|
| • | Sun |
(1)
|
| • | Susquehanna County (Pa.) |
(1)
|
| • | Sweden. Treaties, etc. United States, 1783 April 3 |
(1)
|
| • | Tariffs |
(1)
|
| • | Taxation -- Massachusetts |
(1)
|
| • | Taxation -- United States |
(1)
|
| • | Te Deum laudamus (Music) |
(1)
|
| • | Telegraph |
(1)
|
| • | Telescopes |
(1)
|
| • | Temper |
(1)
|
| • | Temperature -- Newfoundland -- St. John's |
(1)
|
| • | Temperature measurements. |
(1)
|
| • | Texas -- History -- Republic, 1836-1846 |
(1)
|
| • | Texas. Navy |
(1)
|
| • | Theology |
(1)
|
| • | Thermometers |
(1)
|
| • | Tobacco -- Commerce |
(1)
|
| • | Tobacco industry -- Bermuda Islands |
(1)
|
| • | Tobacco industry -- Virginia |
(1)
|
| • | Tornadoes |
(1)
|
| • | Trains -- Central Europe |
(1)
|
| • | Transactions of the American Philosophical Society |
(1)
|
| • | Transylvania University |
(1)
|
| • | Treaties. |
(1)
|
| • | Trees -- North America. |
(1)
|
| • | Trees. |
(1)
|
| • | Trieste (Italy) -- Commerce |
(1)
|
| • | Trust indentures. |
(1)
|
| • | Tunnels -- England -- Thames River |
(1)
|
| • | Type and type-founding -- Specimens |
(1)
|
| • | Typhus fever. |
(1)
|
| • | U.S. Coast and Geodetic Survey |
(1)
|
| • | United Nations |
(1)
|
| • | United States - Politics and government |
(1)
|
| • | United States - Politics and government - 1783-1809 |
(1)
|
| • | United States -- Anniversaries, etc. |
(1)
|
| • | United States -- Foreign relations -- China |
(1)
|
| • | United States -- History -- Civil War, 1861-1865 -- Songs and music |
(1)
|
| • | United States -- History -- French and Indian War, 1755-1763 |
(1)
|
| • | United States -- History -- Revolution, 1775-1783 |
(1)
|
| • | United States -- History -- Revolution, 1775-1783 -- American forces |
(1)
|
| • | United States -- History -- Revolution, 1775-1783 -- Participation, German |
(1)
|
| • | United States -- History -- Revolution, 1775-1783 -- Personal narratives |
(1)
|
| • | United States -- History -- Revolution, 1775-1783 -- Prisoners and prisons |
(1)
|
| • | United States -- History -- Revolution, 1775-1783 -- Sources |
(1)
|
| • | United States -- Military policy |
(1)
|
| • | United States -- Statistics |
(1)
|
| • | United States History Civil War, 1861-1865 Caricatures and cartoons |
(1)
|
| • | United States. Army |
(1)
|
| • | United States. Congress (2nd, 1st session : 1791-1792) |
(1)
|
| • | United States. Constitution |
(1)
|
| • | United States. Continental Army -- Organization |
(1)
|
| • | United States. Continental Army -- Staff -- Biography |
(1)
|
| • | United States. Declaration of Independence |
(1)
|
| • | United States. Navy -- Warrant officers |
(1)
|
| • | Uruguay -- History |
(1)
|
| • | Vietnamese conflict, 1961-1975 |
(1)
|
| • | Virginia. Declaration of Rights |
(1)
|
| • | Vivisection |
(1)
|
| • | Vivisection -- 19th century |
(1)
|
| • | Volapük |
(1)
|
| • | Warships |
(1)
|
| • | Washington Hall |
(1)
|
| • | Water -- Purification |
(1)
|
| • | Water -- Purification -- Filtration |
(1)
|
| • | Water mills |
(1)
|
| • | Wayne, Anthony, 1745-1796 |
(1)
|
| • | Weights and measures. |
(1)
|
| • | Whales |
(1)
|
| • | Wharton School |
(1)
|
| • | Wine and wine making |
(1)
|
| • | Women -- Education |
(1)
|
| • | Women -- Employment |
(1)
|
| • | Wood -- Preservation |
(1)
|
| • | Yale University |
(1)
|
| • | Zoology |
(1)
|
| • | Zoology -- India |
(1)
|
| • | Zoology -- Italy |
(1)
|
| • | Zoology -- Pictorial works |
(1)
|
| • | Zoology -- Study and teaching. |
(1)
|
