1992-1995 Additions: 138 volumes of his diaries, 1920-1994, have been added, as well as 12 letters from W.A. Craigie concerning new entries for the Oxford English Dictionary, 1 drawing in the style of John Leech, 2 19th century drawings, the manuscript of his "Young John of Gaunt; a poem in fourteen cantos", 22 engraved American portraits, 5 maps of the American Civil and Revolutionary Wars, 3 scrapbooks, World War I to 1976, his commonplace book, 1927-1990, several of his published books, and "The Sheriff's Prisoner", an autobiographical account of his 8 months in Brixton Prison for Obscene Libel on the publication of "Guido and the Girls", along with letters and documents re. this case.

Correspondence between William Samuel Johnson, 1727-1819, and his son Robert Charles Johnson, 1766-1806, concerning personal business in Connecticut and a father's advice to a young man entering his law career. Some of the father's letters of special interest were written during his term as U.S. Senator (1791), and some concern British-French trade relations, 1793. There are also copies of letters to Johnson from Cadwallader Colden, Silas Deane, James Duane, John Fitch, Jonathan Trumbull, and William Williams. Other letters have been added

Correspondence, manuscripts, documents, photographs, subject files, and printed materials of members of the Zernov family, especially Nikolaĭ M. Zernov. Correspondence includes letters from Nikolaĭ Berdi︠a︡ev, Archimandrite Kiprian, Alekseĭ Remizov, Vasiliĭ Zenḱovskiĭ, and copies of many letters from Gustave Kullmann to his wife Marii︠a︡, nʹee Zernova. Manuscripts include: memoirs by Sofii︠a︡ A. Zernova about her childhood, youth, and family; Sofii︠a︡ M. Zernova's albums, poems, diaries and memoirs about the Civil War and the emigration in Europe; manuscripts by Nikolaĭ Zernov on religious and literary themes; a report by a Lt. Shokotov on his White Army detached service in 1917-1919; a brief manuscript by Vladimir M. Zernov claiming that syphillis was a contributing factor in Lenin's death; and manuscripts and speeches by Kullmann. Subject files include biographical information collected by Nikolaĭ Zernov on many emigre Orthodox churchmen and religious writers, and materials relating to Kullmann and the Zernov family.

The Zhang Fakui papers emphasize General Zhang's military career as a Chinese Nationalist General during the important years of the Sino-Japanese War. The bulk of the papers consist of documents and maps relating to the history of the Fourth War Zone which he commanded during the Sino-Japanese War dating from 1940 to 1947. Also included are documents related to the governance and development of the Hainan dating from 1939 to 1949. Materials include correspondence, documents, maps, photographs, reports, manuscripts, and diaries.