Columbia subject headings:
Flegon, Alec--Library--Catalogs.
Private libraries--20th century--Catalogs.
Russian literature--Bibliography--Catalogs.
Serendipity Books (Firm)--Catalogs.
Harvard subject headings:
Flegon, Alec--Library--Catalogs.
Private libraries--20th century--Catalogs.
Russian literature--Bibliography--Catalogs
Serendipity Books (Firm)--Catalogs.
Princeton subject headings: