- Patriotic music--United States1
- Pershing, John J. (John Joseph), 1860-19481
- Piano music1
- Postcards1
- Soldiers' Monuments--Belgium1
- Soldiers' monuments--France1
- Songs (Medium voice) with piano1
- Stage Women's War Relief--Songs and music1
- War casualties--Songs and music1
- Watson, Fanny, 1887-1970--Portraits1
- Watson, Kitty, 1886-1967--Portraits1
- Wilson, Woodrow, 1856-19241
- Women--Suffrage--Songs and music1
- World War, 1914-19181
- World War, 1914-1918--Battlefields1
- World War, 1914-1918--Belgium--Destruction and pillage--Pictorial works1
- World War, 1914-1918--Belgium--Ieper--Destruction and pillage--Pictorial works1
- World War, 1914-1918--Belgium--Louvain--Destruction and pillage--Pictorial works1
- World War, 1914-1918--Belgium--Ypres--Destruction and pillage--Pictorial works1
- World War, 1914-1918--Campaigns--Belgium--Songs and music1