The Logan family was prominent in Philadelphia from the start of the province, serving the people in many capacities, including political, medical and literary. This is a collection of manuscripts obtained by the Library Company of Philadelphia that relates to the Logan family. The collection includes papers of the Logan family members Albanus Charles, Algernon Sydney, Deborah Norris, William Jr., and James as well as family materials collected by Frances A. Logan and William Logan Fox. The collection dates from 1684 to 1925 and consists of family papers, correspondence, diaries, writings, medical texts, lecture notes, financial records, poetry, visiting cards, and invitations. The collection is divided into seven series and arranged in the following order: “Albanus Charles Logan papers,” “Algernon Sydney Logan papers,” “Deborah Norris Logan papers,” “Frances Armat Logan collection,” “James Logan papers” and “William Logan Fox collection of papers relating to the Library Company of Philadelphia v. William Logan Estate.”