Columbia subject headings:
Biology--Dictionaries--Russian.
Medicine--Dictionaries--Russian.
Russian language--Dictionaries--English.
Harvard subject headings:
Biology--Dictionaries--Russian
Medicine--Dictionaries--Russian
Russian language--Dictionaries--English
Princeton subject headings:
Biology--Dictionaries--Russian.
Dictionaries.
Medicine--Dictionaries--Russian.
Russian language--Dictionaries--English.