Columbia subject headings:
Europe--Guidebooks.
United States. Army. American Expeditionary Forces--History.
War memorials--Europe--Guidebooks.
World War, 1914-1918--Battlefields--Europe--Guidebooks.
World War, 1914-1918--Monuments--Europe--Guidebooks.
World War, 1914-1918--United States.
Harvard subject headings:
Europe--Guidebooks.
United States. Army. American Expeditionary Forces--History.
War memorials--Europe--Guidebooks.
World War, 1914-1918--Battlefields--Europe--Guidebooks.
World War, 1914-1918--Monuments--Europe--Guidebooks.
World War, 1914-1918--United States
Princeton subject headings:
Europe--Guidebooks.
Guidebooks.
United States. Army. American Expeditionary Forces--History.
War memorials--Europe--Guidebooks.
World War, 1914-1918--Battlefields--Europe--Guidebooks.
World War, 1914-1918--Monuments--Europe--Guidebooks.
World War, 1914-1918--United States.