Columbia subject headings:
Chemists--Soviet Union--Correspondence--Bibliography.
Mendeleyev, Dmitry Ivanovich, 1834-1907--Correspondence--Bibliography.
Harvard subject headings:
Chemists--Soviet Union--Correspondence--Bibliography.
Mendeleyev, Dmitry Ivanovich, 1834-1907--Correspondence--Bibliography.
Princeton subject headings:
Chemists--Soviet Union--Correspondence--Bibliography.
Mendeleyev, Dmitry Ivanovich, 1834-1907--Correspondence--Bibliography.