The papers include correspondence, manuscripts, and printed materials. Correspondence consists of letters from a number of important cultural figures in the emigration, including: Ivan Bunin, Zinaida Guppius, Aleksandr Kuprin, Pavel Mili︠u︡kov, Alekseĭ Remizov, Nadezhda Teffi, and Alekseĭ Tolstoĭ; there are also one or two letters each from Konstantin Balḿont, Dmitriĭ Merezhkovskiĭ, Ili︠́a︡ Repin, Fedor Shali︠a︡pin, and Marina T︠S︡vetaeva. There are manuscripts of several works by Shpoli︠a︡nskiĭ, including his memoirs, "Poezd na tretém puti" (New York, 1954).

The collection includes correspondence from Konstantin Balḿont, Nikolaĭ Evreĭnov, Zinaida Gippius, Georgiĭ Grebenshchikov, Vasiliĭ Maklakov, Sergeĭ Potresov and Nadezhda Teffi. There is one letter each from Boris Bakhmeteff, Vera Bunina, Aleksandr Grechaninov, Aleksandr Kuprin and Alekseĭ Tolstoĭ. The manuscripts include poems and a play scenario by Nadezhda Teffi as well as Roshchina-Insarova's autobiographical essays and article about Sergeĭ Lifar.́ In addition, there are three scrapbooks containing clippings and programs of Roshchina-Insarova's performances, and approximately 40 photographs of her.

Collection includes 1 letter each from Konstantin Balḿont and Alekseĭ Remizov, and copies of letters by Ivan Bunin. Manuscripts by Grebenshchikov in the collection include "Churaevy," and "Mikula, the turbulent giant." Also included are manuscripts by Balḿont and Remizov.