Columbia subject headings:
Harvard subject headings:
Academy of Natural Sciences of Philadelphia--Catalogs.
Manuscripts--Catalogs
Manuscripts--Pennsylvania--Philadelphia--Catalogs.
Science--Bibliography--Catalogs
Science--Manuscripts--Catalogs.
Princeton subject headings:
Academy of Natural Sciences of Philadelphia--Catalogs.
Catalogs.
Manuscripts--Pennsylvania--Philadelphia--Catalogs.
Science--Manuscripts--Catalogs.