Columbia subject headings:
Minorities--Poland--Intellectual life.
Podlasie (Poland : Region)--Intellectual life.
Poland--Intellectual life.
Harvard subject headings:
Białystok (Poland : Voivodeship)--Intellectual life.
Poland--Intellectual life--1795-1918
Suwałki (Poland : Voivodeship)--Intellectual life.
Łomża (Poland : Voivodeship)--Intellectual life.
Princeton subject headings:
Białystok (Poland : Voivodeship)--Intellectual life.
Poland--Intellectual life--1795-1918.
Suwałki (Poland : Voivodeship)--Intellectual life.
Łomża (Poland : Voivodeship)--Intellectual life.