Columbia subject headings:
New Sydenham Society--Constitution.
New Sydenham Society--Finance.
Papillomavirus diseases--Case studies.
Sexually transmitted diseases.
Smallpox--Case studies.
Syphilis--Case studies.
Syphilis--Complications.
Syphilis--Etiology.
Harvard subject headings:
New Sydenham Society--Constitution.
New Sydenham Society--Finance.
Papillomavirus diseases--Case studies.
Smallpox
Smallpox--Case studies.
Syphilis
Syphilis--Case studies.
Syphilis--Complications
Syphilis--Etiology.
Princeton subject headings: