Soldiers--Pennsylvania--Philadelphia--20th century 3 Correspondence--United States--1910-1920 1 Law partnerships—Pennsylvania—Philadelphia—20th century 1 Military education—United States—20th century 1 Military training camps—United States—20th century 1 Mourning customs—20th century 1 Personal Correspondence 1 more ... Soldiers—Diaries—20th century 1 United States--History--World War, 1939-1945 1 War widows—Pennsylvania—20th century 1 World War, 1914-1918--Personal correspondence 1 World War, 1914-1918—Campaigns—France 1 World War, 1914-1918—Personal narratives 1 World War, 1939-1945 1 World War, 1939-1945--Memorabilia 1 World War, 1939-1945--Operational rations (Military supplies)--United States 1 World War, 1939-1945--Participation, Civilian--United States--Poster--Specimens 1 less ...