Columbia subject headings:
Harvard subject headings:
Europe--History--1789-1900--Bibliography.
Europe--History--1789-1900--Outlines, syllabi, etc.
Europe--History--20th century--Bibliography.
Europe--History--20th century--Outlines, syllabi, etc.
Princeton subject headings:
Europe--History--1789-1900--Bibliography.
Europe--History--1789-1900--Outlines, syllabi, etc.
Europe--History--20th century--Bibliography.
Europe--History--20th century--Outlines, syllabi, etc.