Collection contains translations of German works, drafts of Litchfield's book The Franco-German War of 1870; unpublished works on the topics of European history, the U.S. presidents, religion, and other topics in English, German, French, and Italian; and journals dated 1864-70 and 1877-84 covering his extensive European travel, family matters, and social life. In addition, the collection contains a description, dated 1875, of Gracehill, the family home in Brooklyn, N.Y.