There is a letter book / account book of 347 p., 1790-1856, containing 466 draft copies of his commercial and social correspondence with shipping agents in Great Britain, France, Spain, Portugal, Holland, Germany, China, Canada, as well as in the United States. The correspondence concerns Bell's business arrangements, the various cargos he shipped and their disposal, political affairs affecting the shipping trade, laws and treaties of various countries to be dealt with, taxes, embargoes, piracy, threats of war, and other pertinent events. A second account book of 84 p. (many are blank), 1787-1852, for the Ship Stephania and others contains ships' records for 1799 to 1828 and miscellaneous accounts up to 1857. There is a one volume carbon typescript (113 p.) of genealogical notes and reminiscences by Gordon Knox Bell (Regent of the University of the State of New York and grandson of Isaac Bell) and others, ca.1940. There is also an essay and lists of the residents of Greenwich Street (including the Bell and Rogers families) by Elizur Yale Smith with related correspondence, 1940.

Personal and professional papers of the foreign correspondent. The collection includes telexes from the Korean War and from assignments across Southeast Asia, letters to and from Steinberg, annotated copy and clips of published work, fiction by Steinberg, various items Steinberg collected in his work and travels, and photographs. Items from the Steinberg family collection include illustrations and book covers by Isador N. Steinberg.