The papers consist of manuscripts and printed materials. The manuscripts include an autobiographical essay, Pronin's memoirs about Generals Kornilov and Brusilov, an essay about an attempt to murder Trot︠s︡kiĭ and articles on the Russian emigration in Yugoslavia and Brazil. The printed materials include copies of the journal "Vera i vernost,́" Pronin's pamphlet "Krymskai︠a︡ voĭna -- Oborona Sevastopoli︠a︡" and "Vo imi︠a︡ pravdy -- O belom dvizhenii i ego vozhdi︠a︡kh," to which Pronin and others contributed.