Collection includes 19 manuscript notebooks of poetry and prose; 42 titled articles in typescript form on religious, political, literary and autobiographical topics; several published collections of her poetry; and a folder of original drawings. Also included are three biographical articles by K. Mochulśkiĭ, M. Vishni︠a︡k and her mother Sofii︠a︡ Borisovna Pilenko, as well as her own childhood and that of her mother and grandmother during the era of Alexander I, Nicholas I, and Alexander II.

Correspondence and memoirs of Vereshchagin. Correspondence includes letters from a number of major emigre cultural figures, such as Ivan Bunin, Matild́a Ksheshinskai︠a︡, Vasiliĭ Nemirovich-Danchenko; there are also poems by Nemirovich-Danchenko and by Nadezhda Teffi. In addition, there are letters by members of the Imperial family in exile, particularly Grand Prince Vladimir Kirillovich. Vereshchagin's memoirs touch on such subjects as his childhood and family, the Imperial Corps of Pages, cultural life in St. Petersburg and Petrograd, and the early 1920's in Petrograd and Moscow. In addition, there is a pamphlet of poems by Vereshchagin"Stikhi" (1955).