This collection contains correspondence, papers, accounts, etc., about a conference at Washington, D.C., 5-6 May 1960, to discuss the need, feasibility, and methods of collecting, preserving, and studying the papers of scientists. Nathan Reingold was chairman of the conference.

These are individual accounts for labor and building supplies.

These accounts include ledgers (1750-1763), daybook (1758-1761), miscellaneous receipts, and James Franklin's estate papers.

These papers consist of volumes 1-3, and are chiefly correspondence to Thomas, council minutes, and a report of prices for printing work in Philadelphia.

These papers include correspondence to Sabine, and miscellaneous accounts, receipts, and military records.

The minutes cover 1749-1776, 1786-1833, and Treasurer's accounts, 1759-1843.

This waste book contains accounts with various persons in Pennsylvania, Maryland, and New Jersey for dry-goods, notions, rum, cutlery, glassware, and medicines.

These papers include accounts of Peale's Museum, including records and accessions (1804-1842), and current expenditures (1808-1819), and papers relating to Charles Willson Peale, Rembrandt Peale, and Titian Ramsay Peale.

The archive of this village literary and scientific lyceum contains its constitution and by-laws, minutes, library catalogues, treasurer's accounts, membership rolls, and correspondence.

Twelve reels of letters, diaries, minutes, reports, speeches, accounts, and other archival material of missionaries and individual Quakers, 1791-1908. Includes: Minutes of the Committee for Promoting the Improvement and Gradual Civilization of the Indian Natives (1795-1895), Minutes of the Friendly Association for Regaining and Preserving Peace with the Indians by Pacific Measures (1756-1891); miscellaneous papers of teachers, pupils, visitors to Tunessassa Indian School, Quaker Bridge, New York, mostly twentieth century.

This volume contains letters (a few in shorthand) relating to his pursuit of the position as principal recorder, and then, upon accomplishing this, his problems in publishing. There are sales accounts and a diary (April, 1793 to June, 1794), written while he was imprisoned in Newgate Prison, London (1793 to Jan., 1796). Included for this period is an interesting description, brought to him at Newgate by an Englishman, John Ford, who was seeking support and American contacts for his plan to take an English textile process to America: "A Manufacture of Wollen & Cotton Cloth & Without spinning or weaving," August, 1794.

This notebook contains accounts with Farmers and Mechanics Bank, names of debtors and creditors, and "Feed Book," naming owners of animals and the amount of oats consumed by their beasts. Contains reference to R. Bache.

This account book contains receipts and expenditures for the Flying Camp (1783), and business accounts for purchases of bread and candles, and for expenses of traveling and lodging (1785-1800).

The first three volumes contain journals of Strahan's travels in Scotland, with records of expenses along the way, for 1751, 1759, 1760, 1766, 1768, 1773, and 1777. Strahan and Benjamin Franklin were in Edinburgh at the same time in 1759. The fourth volume contains "The particulars of the estate of Wm Strahan as it stood on the first of January 1755," and also for 1759 and 1761, with some miscellaneous accounts.

These papers include letters, reports, accounts, and memoranda relating to the work of the American Board of Home Missions among the Abnaki, Cherokee, Chickasaw, Choctaw, Creek, Dakota, Mackinaw, Maumee, Mayhaw, Ojibwa, Osage, Pawnee, Penobscot, Sioux, and Stockbridge Indians of Arkansas, New York, and Oregon.

These selections include letters, bills, accounts, receipts, memoranda, and official communications and documents relating to the Iroquois in New York state, selected from volumes 6-15 of O'Reilly's collections, "Mementos of western settlement," together with copies of documents from the American State Papers, etc. Included are letters of Phelps, Gorham, Chapin, Brant, Kirkland, Knox, Pickering, Irvine, and Morris. Many manuscripts appear to be from the papers of General Israel Chapin, an Indian agent.

From the Sugar Act of 1764 through the Tea Act of 1773, the British Parliament imposed a variety of taxes upon their American colonies in an effort to raise revenue to offset the enormous debts incurred during the Seven Years' (French and Indian) War. Far more efficiently than raising revenue, these duties raised the indignation of the colonits, contributing more than their share to the alienation that fueled the independence movement The two volumes that comprise the Pennsylvania Stamp Act and Non-Importation Resolutions Collection contain 34 manuscript and printed items relating to the political crisis over taxation on goods imported into the American colonies between 1765 and 1773, with a focus on Philadelphia. The first volume is concerned exclusively with agitation over the Stamp Act of 1765 and its repeal, while the second volume relates more specifically to the Non-Importation agreements of the 1760s, the Townshend Duties, and the Tea Act of 1773. Among these are letters of Governor John Penn, correspondence between the Sons of Liberty at Philadelphia and those of New York, 1766, an address of the committee of Boston merchants to a committee of Philadelphia merchants, 11 August 1768. Among the more dramatic letters are those from John Hughes, the would-be Stamp Officer for Pennsylvania who resigned bis commission in the face of public protest, and a seies of threatening letters addressed to James and Drinker, consignees for the sale of tea in Pennsylvania in 1773.

This collection of correspondence, accounts, and certificates primarily concerns the China trade of Talbot, Olyphant & Co., New York, and Olyphant & Co. and Gordon & Talbot, both of Canton, China. The papers also concern their missionary endeavors in China and the vicinity.

A pioneer in ethnographic and linguistic studies of the American Indian and one of the most active members of the American Philosophical Society, Peter Stephen Du Ponceau helped to establish the American Philosophical Society's reputation as one of the world's foremost centers for the study of American Indians and their languages. The Peter Stephen Du Ponceau collection consists of correspondence on legal matters, Indian linguistics, silk culture, maritime law, the American Philosophical Society, and various publications of the early nineteenth century. The collection also includes several essays by Du Ponceau, most of which deal with maritime law.