The collection primarily consists of unpublished manuscripts by Shavelśkiĭ. There are also letters from Shavelśkiĭ to his daughter (Marii︠a︡ Novit︠s︡kai︠a︡), several photographs of Shavelśkiĭ, clippings and miscellaneous printed items. Shavelśkiĭ's manuscripts include his memoirs (1920) which describe church affairs in Russia, World War I, the Imperial family and the 1917 Revolution; "Nabroski s natury" (1947), a series of brief essays and stories; "Pokhod protiv Rasputina" (n.d.); "Russkai︠a︡ t︠s︡erkov ́pred revoli︠u︡t︠s︡ieĭ" (1937); and "V dobrovolćheskoĭ armii" (1943), which describes Shavelśkiĭ's service as an army chaplain. Other manuscripts include brief sketches of Shavelśkiĭ by Feodor Bokach and N.N. Glubokovskiĭ.

Correspondence, manuscripts, documents, photographs and printed materials of Unkovskiĭ. The correspondence includes letters from such individuals as Emile Baës, Vladimir Burt︠s︡ev, Nikolaĭ Evreĭnov, Galina Kuznet︠s︡ova, Boris Lazarevskiĭ, Alekseĭ Remizov, Ivan Shmelov, Boris Zaĭt︠s︡ev, and Leonid Zurov. Nearly all the manuscripts are by Unkovskiĭ, and include essays, stories, and excerpts from his memoirs, many of which were published in emigre journals. There are a number of scrapbooks containing clippings of his articles. In addition, the collection contains galleys of books by Unkovskiĭ, and copies of some of his full-length works, including "Ikary" (1942) and "Andreĭ Klinskiĭ" (1940).