War work History 62 World War, 1939-1945 47 Women 33 World War, 1914-1918 32 Social aspects 21 Red Cross 20 更多 ... Social conditions 10 Civilian relief 9 Medical care 8 World War 8 City dwellers 7 Soldiers 7 Effects of war on 6 Hospitals 5 Poets, American 5 Politics and government 5 Schools 5 Employment 4 Humanitarian assistance 4 Korean War, 1950-1953 4 Recreation 4 Government policy 3 History, Military 3 Italo-Ethiopian War, 1935-1936 3 Political aspects 3 Vietnam War, 1961-1975 3 Young Men's Christian Association 3 African Americans 2 Anti-fascist movements 2 少 ...