This collection contains the papers of Philadelphia Quaker Owen Biddle (1737-1799), his son, Clement Biddle (1778-1856), and numerous descendants. Owen Biddle, a scientist and merchant, was a member of Philadelphia Monthly Meeting and helped in the establishment of Westtown School (1799). Owen Biddle's papers, 1772-1793, (Series 1) include correspondence, and journals, some of which relate to his Revolutionary War activities. Three of his letterbooks, 1778-1779, have been microfilmed. The...