Columbia subject headings:
Harvard subject headings:
Botany--Dictionaries
English language--Dictionaries--French
English language--Dictionaries--German
French language--Dictionaries--English.
German language--Dictionaries--English.
Princeton subject headings:
Botany--Dictionaries.
Dictionaries.
English language--Dictionaries--French.
English language--Dictionaries--German.
French language--Dictionaries--English.
German language--Dictionaries--English.