Guide to Research CollectionsConnecticut Historical Society
Papers: 1807-1864, 7 letters.
Index in repository.
Boston Public Library
Papers: 1 letter.
Howard Gotlieb Archival Research Center
Papers: In the papers of Ralph Ingersoll, 1900-1985.
Subjects include Ralph Isaacs Ingersoll.
Columbia University Libraries, Archival Collections
New York, NY
Papers: In the Hamilton family papers.
Correspondents include Ralph Isaacs Ingersoll.
New Haven Colony Historical Society
New Haven, CT
Papers: In the Ingersoll family papers, 1676-1874, ca. 3 feet (2,050 items).
Includes diary (1846) kept en route to assume duties as Minister to Russia. Unpublished finding aid in repository.