Columbia subject headings:
Chekhov, Anton Pavlovich, 1860-1904--Friends and associates.
Chekhov, Anton Pavlovich, 1860-1904--Homes and haunts--Russia (Federation)--Udomelʹskiĭ raĭon.
Levitan, Isaak Ilʹich, 1860-1900--Friends and associates.
Levitan, Isaak Ilʹich, 1860-1900--Homes and haunts--Russia (Federation)--Udomelʹskiĭ raĭon.
Harvard subject headings:
Chekhov, Anton Pavlovich, 1860-1904--Friends and associates.
Chekhov, Anton Pavlovich, 1860-1904--Homes and haunts--Russia (Federation)--Udomelʹskiĭ raĭon.
Levitan, Isaak Ilʹich, 1860-1900--Friends and associates.
Levitan, Isaak Ilʹich, 1860-1900--Homes and haunts--Russia (Federation)--Udomelʹskiĭ raĭon.
Princeton subject headings: