Columbia subject headings:
Medicine--History--Bibliography--Catalogs.
Science--History--Bibliography--Catalogs.
Technology--History--Bibliography--Catalogs.
Harvard subject headings:
American Philosophical Society.
American Philosophical Society. Library--Catalogs--Bibliography.
Americans--Travel--Europe--Bibliography.
Medicine--Europe--Bibliography.
Science--Europe--Bibliography.
Technology--Europe--Bibliography.
Princeton subject headings:
Medicine--History--Bibliography--Catalogs.
Science--History--Bibliography--Catalogs.
Technology--History--Bibliography--Catalogs.