8 parts in 5 volumes (Memoirs 7 parts in 4 volumes, Collections vol. I only), 8vo (210 x 133 mm). (Some minor spotting or staining, some toning with a few leaves browned.) Uniformly in later quarter diced black calf, spines gilt-lettered, marbled boards, edges sprinkled brown (some light wear, a few joints tender). Provenance: unidentified early owner (annotations); with the bookplate of Isaac Norris, added by a later owner (1701-1766), Pennsylvania politician and merchant. 

FIRST EDITIONS. Memoirs and Collections result from Historical Society of Pennsylvania's devotion to preserving materials related to the early history of Pennsylvania, and include accounts of  William Penn's Treaty of Shackamaxon as well as Penn's letters, a biography of former Governor Sir William Keith, proceedings of the earliest tribunal during the colonial period, and military journals of Ebenezer Denny regarding the Yorktown campaign in the American Revolutionary War.