This volume contains approximately 175 letters written by Thomas Penn and Richard Penn on public business. A few are copies of letters by James Hamilton, a member of the Provincial Council and lieutenant governor of Pennsylvania, and by or to Abraham Taylor.

Reports on conferences and treaties with the Indians and miscellaneous Indian affairs in Pennsylvania, with emphasis upon the French and Indian War. Correspondents include: John Armstrong Thomas Barton Edward Braddock Daniel Claus George Croghan James Hamilton James Logan Hugh Mercer Andrew Montour Robert Hunter Morris Robert Orme Ferdinand J. Paris Thomas Penn Horatio Sharpe Joseph Shippen William Shirley John Stanwix Robert Stobo William Trent Conrad Weiser