Columbia subject headings:
Harvard subject headings:
Encyclopedias and dictionaries, Latin--Early works to 1800.
Encyclopedias and dictionaries--Early works to 1600
Ethics--Encyclopedias--Early works to 1800.
Physics--Encyclopedias--Early works to 1800.
Science--Encyclopedias--Early works to 1800.
Princeton subject headings:
Encyclopedias and dictionaries--Early works to 1600.