Copies by Mrs. Deborah Norris Logan of letters from Logan, while president of the Council, to the Proprietors of Pennsylvania, the Duke of Newcastle, and Ferdinand John Paris, on province business. The letters relate to the choice of Logan's successor, his retirement, crown-proprietor relations, and the Pennsylvania-Maryland boundary.

Copied by Mrs. Deborah Norris Logan from original letters and papers in her family, with additions by J. Francis Fisher and Redmond Conyngham. Includes Logan's correspondence with William Penn, Hannah Callowhill Penn, Isaac Norris, Governor George Clarke of New York, Governor William Gooch of Virginia, and Governor George Thomas of Pennsylvania. Contains materials regarding early Philadelphia and Indian and colonial affairs.

The first volume includes extracts from the journals of Conrad Weiser and Christian Frederick Post (1757), Charles Thomson's "An Enquiry into the causes of the alienation of the Delaware and Shawanese Indians from the British interest" (1759), and a printed version of Judge Bradford's "Statement of facts and observations respecting the penal laws" (1792). The second volume contains selected letters and documents in the Pennsylvania state records on Indian relations, including transcriptions of several treaties between the Province of Pennsylvania and the Delawares and other Indians (1755-1758); the French and Indian War; and Braddock's campaign. Some manuscripts are written by Deborah Norris Logan and Charles Thomson.