Correspondence, a diary, documents, subject files and printed materials of Ivan P. Budanov. Correspondence includes both personal letters and items concerning the Cossacks in the emigration. Many of the documents relate to Budanov's legal practice in the Don region, ca. 1910-17. Subject files deal with the Don Cossacks in the Civil War, Cossack emigre groups, and the elections to the post of Ataman of the Don Cossacks in the emigration in the 1930s. Printed materials include maps, a copy of volume 1 of Budanov's "Don i Moskva" and miscellaneous emigre publications and clippings.

The collection consists of correspondence, manuscripts and memoirs, documents, minutes of meetings, financial records, photographs, maps, and printed materials. Cataloged correspondents include Grand Duke Nikolaĭ Nikolaevich and General Petr Wrangel. Manuscripts include memoirs by Konstantin Rozen on his military service from 1902-1917, and a memoir by F. N. Bui︠a︡k entitled "Vospominanii︠a︡ starogo kavalergarda 1885-1902." Subject files are on Kadry Voĭsk Ofit︠s︡erov (Cadres of Military Officers) in Belgrade and Soi︠u︡z Russkikh Ofit︠s︡erov (Union of Russian Officers), emigre Russian military organizations. Documents concern Rozen's family and estate in Vitebsk province. Minutes of meetings concern the Kavalergardskai︠a︡ Semi︠́a︡ (Cavalry Guard Family). Financial records cover the fundraising activities of Soi︠u︡z Russkikh Ofit︠s︡erov and the estate. Photographs are of the estate, and maps are of the Vitebsk region and the estate grounds. Printed materials concern the estate and the above mentioned military organizations, and include copies of the news bulletin"Vestnik Kavalergardskoĭ Semí.".

Papers include correspondence, manuscripts, documents, photographs, subject files, maps, and printed materials. Cataloged correspondents include Georgiĭ Lv́ov, Anton Kartashev, and Petr Struve. The correspondence concerns to a large extent I︠U︡denich's aid to fellow emigres in France during the 1920s and 1930s. Manuscripts include a memoir about I︠U︡denich by his widow, Aleksandra, and I︠U︡denich's diary from 1919. Included also are two sets of the files of the Northwestern Army from 1919-20, and additional subject files concerning the Civil War. There are financial records of both the Northwestern Army and of I︠U︡denich himself. The photographs are of the Caucasian front, which I︠U︡denich commanded in 1914-17. Maps are of both the Caucasian front in World War I and of the Baltic region and the campaigns of the Northwestern Army.