Street, Augustus Russell, 1791-1866

Overview: Correspondence, diaries, legal and financial records and memorabilia by and about the descendants of Lieutenant Thomas Leffingwell, one of the founders of Norwich, Connecticut. The major groups of papers are those of Christopher Leffingwell (1734-1810), a merchant in Norwich and William Leffingwell (1765-1834), a stockbroker in New York and later a resident of New Haven. These groups contain papers on legal, financial and business transactions. Family correspondence during the Revolutionary War...

Overview: The papers consist of correspondence, lectures, notebooks, diaries, journals, and other material documenting the personal lives and professional careers of the Silliman family, including Benjamin Silliman (1779-1864) and Benjamin Silliman, Jr. (1816-1885). Personal material details family life, relationships, social activities, and cultural pursuits. Professional material details the academic and literary interests of the Sillimans, particularly in chemistry, physics, and geology. The evolution...