Columbia subject headings:
Endocrine glands--Early works to 1800.
Exocrine glands--Early works to 1800.
Glands--Early works to 1800.
Lymph nodes--Early works to 1800.
Saliva--Early works to 1800.
Harvard subject headings:
Endocrine glands--Early works to 1800.
Exocrine glands--Early works to 1800.
Glands--Early works to 1800.
Lymph nodes--Early works to 1800.
Saliva--Early works to 1800.
Princeton subject headings: