The papers consist of correspondence, manuscripts, and printed materials. Among the correspondents are Nikolaĭ Arsenév, Anton Kartashev, William K. Matthews, and Aleksandr Meyendorff. There are manuscripts by Kolemin on religious topics. Also included are papers of Kolemin's stepfather, Vasiliĭ Bakherakht, last Imperial ambassador to Switzerland. These consist of correspondence, drafts, and notes by Bakherakht, and the reports of a Russian commission investigating alleged German atrocities in World War I.

Correspondence, manuscripts, documents, subject files, maps, and clippings of Volkonskiĭ. The correspondence dates from 1905-1946 and chiefly concerns religious matters. There are letters from Russians at the Vatican, for emample, and some concerning Volkonskiĭ's financial affairs in emigration. The manuscripts are almost exclusively in the form of notes on church history. Volkonskiĭ was particularly interested in the possible merging of the Orthodox and Catholic churches. The documents include accounts and contracts. One subject files concerns a World War I field hospital, and another has extensive materials on the Ukraine during the period of the revolution and civil war (1917-1920).