Columbia subject headings:
Chemical apparatus--Catalogs.
Laboratories--Equipment and supplies--Catalogs.
Laboratories--Equipment and supplies--Directories.
Harvard subject headings:
Chemical apparatus--Catalogs.
Laboratories--Equipment and supplies--Catalogs.
Laboratories--Equipment and supplies--Directories.
Princeton subject headings:
Catalogs.
Chemical apparatus--Catalogs.
Directories.
Laboratories--Equipment and supplies--Catalogs.
Laboratories--Equipment and supplies--Directories.