A Brigadier General in the Continental Army, George Weedon served under the immediate command of his fellow Virginian George Washington from, 1776 until 1778. This orderly book was kept under Weedon's command during the fall and winter, 1777-1778, documenting the hardships suffered by the American soldiers during their bitter encampment at Valley Forge.

Major John André (1750-1780) was a British officer during the American Revolutionary War. He is best known in America for his attempt to facilitate Benedict Arnold's surrender of West Point to the British in 1780, but was known in his time as a capable, cosmopolitan officer, who served an interesting and varied career until his death in 1780. A participant in many of the Revolutionary War's most famous battles, André was twice captured by the American army, and served well enough to earn two promotions and numerous important assignments during the conflict. This eight-page letter chronicles the Philadelphia campaign of 1777 and includes descriptions of the Battles of Brandywine, Paoli and Germantown.

Lieutenant William Keugh (b. 1732) was an Irish-born officer in the British army during the French and Indian War and the American Revolutionary War. Serving as Adjutant for the 44th Regiment of Foot, Keugh wrote Report of British Officer to His Majesty from Camp at German Town 28th of Setptemr. 1777, which chronicles the Philadelphia campaign of 1777, including descriptions of the Battles of Brandywine, Paoli and Germantown.

George Weedon (1734-1793) was Captain in the French and Indian War and a General in the American Revolutionary War. Between the two conflicts he was a prominent citizen of Fredericksburg, Virginia, operating a tavern in that city which served as a meeting place for George Washington, Thomas Jefferson, Patrick Henry, John Marshall and others to discuss politics and the future course of the American colonies.

Correspondence and an autobiographical sketch of the French and Indian War and Revolutionary War service of Samuel Miles. A native Pennsylvanian, Miles raised and commanded a regiment of riflemen, but was captured near Flatbush in August 1776, during the battle of Long Island. He was held as a prisoner of war in New York until his exchange in April 1778. Miles subsequently served as Mayor of Philadelphia and was a presidential elector in 1796.

The papers include miscellaneous letters, letterbooks, books, certificates, and diplomas of various members of the Muhlenberg family. Among them are photostats of letters and papers of General John Peter Gabriel Muhlenberg and officers of the Continental Army on military affairs in the Southern Department during the American Revolution (1772-1804); photostats of letters to Albert Gallatin, Nathanael Greene, Edward Hand, Winthrop Sargent, Baron von Steuben, William Alexander, and George Washington; photostat of General Muhlenberg's journal of trips to the Ohio (1784, 1797); photostats of letters and notes of Gotthilf H. E. Muhlenberg, including a diary kept at Halle (1771) and extracts of thirty letters to Stephen Elliott of Beaufort and Charleston, South Carolina (1808-1815); photostats of letters of Henry A. Muhlenberg about his biography of General Muhlenberg (1848-1849); and photostats of letters of Henry Melchior Muhlenberg (1711-1787). Also included is an original letterbook of Peter Muhlenberg, paymaster of the United States Army, kept at Augusta and Savannah, Georgia (1836-1842). Henry Muhlenberg's notebooks (1784-1813), written in Latin or German script, in a small hand, includes a wealth of botanical observations, with a focus on Lancaster, Pennsylvania. The Henry Muhlenberg journals are a record of daily occurrences, with many features of a commonplace book, containing prescriptions, notes of questions asked candidates for the Lutheran ministry, and the plan of a barn. There is also a biographical account of Rev. Henry Melchior Muhlenberg (1711-1787).

This rich collection of letters and documents, which was assembled by Sol Feinstone (1888-1980) over a period of fifty years, includes material on almost all notable Americans from before the Revolution to the 1850's, as well as prominent Europeans, and there are documents relating to military affairs. There are substantial groups of letters from: John Adams, Henry Dearborn, Alexander Hamilton, Jedediah Huntington, Thomas Jefferson, Lafayette, George Washington, and a long run of letters from a Massachusetts military surgeon named Samuel Adams. Many letters, though written by Revolutionary figures, relate to events that occurred before or after the War.