1940 report to Obshchestvo Russkikh Vrachei im. Mechnikova, 1940 Box 1 Rare Book & Manuscript Library Il'ia Nikolaevich Kovarskii Papers, 1922-1967Series II: ManuscriptsKovarskii, I. N.
Aldanov, Mark Aleksandrovich Box 1 Rare Book & Manuscript Library Il'ia Nikolaevich Kovarskii Papers, 1922-1967Series I: CorrespondenceSubseries I.1: Cataloged correspondence
Argunov, A. "Iz perezhitogo" Box 1 Rare Book & Manuscript Library Il'ia Nikolaevich Kovarskii Papers, 1922-1967Series II: Manuscripts
Death of Vladimir Zenzinov, 1953 Box 1 Rare Book & Manuscript Library Il'ia Nikolaevich Kovarskii Papers, 1922-1967Series IV: Subject Files
Fondaminskii, Il'ia Isidorovich Box 1 Rare Book & Manuscript Library Il'ia Nikolaevich Kovarskii Papers, 1922-1967Series III: PhotographsSubseries III.1: Cataloged photographs
Grebenshchikov, Georgii Dmitrievich Box 1 Rare Book & Manuscript Library Il'ia Nikolaevich Kovarskii Papers, 1922-1967Series I: CorrespondenceSubseries I.1: Cataloged correspondence
Incoming letters Box 1 Rare Book & Manuscript Library Il'ia Nikolaevich Kovarskii Papers, 1922-1967Series I: CorrespondenceSubseries I.2: Arranged correspondence
Kalashnikov, Nikolai Sergeevich Box 1 Rare Book & Manuscript Library Il'ia Nikolaevich Kovarskii Papers, 1922-1967Series I: CorrespondenceSubseries I.1: Cataloged correspondence
Karpovich, Mikhail Mikhailovich Box 1 Rare Book & Manuscript Library Il'ia Nikolaevich Kovarskii Papers, 1922-1967Series I: CorrespondenceSubseries I.1: Cataloged correspondence