Columbia subject headings:
Harvard subject headings:
Medicine--England--London--History--20th century.
Medicine--England--London--History.
Medicine--Germany--Berlin--History--20th century.
Medicine--Germany--Berlin--History.
Pathology--England--London--History--20th century.
Pathology--England--London--History.
Pathology--Germany--Berlin--History--20th century.
Pathology--Germany--Berlin--History.
Princeton subject headings:
Medicine--England--London--History.
Medicine--Germany--Berlin--History.
Pathology--England--London--History.
Pathology--Germany--Berlin--History.