War work History 20 Women 13 World War, 1939-1945 11 World War, 1914-1918 10 Red Cross 4 Schools 3 more ... Social conditions 3 Americans 2 Authors, American 2 Civilian relief 2 Gender identity 2 Humanitarian assistance 2 Intellectual life 2 Political aspects 2 Social aspects 2 Vietnam War, 1961-1975 2 Women and war 2 Women intellectuals 2 Young Men's Christian associations 2 African Americans 1 Air pilots 1 Aircraft accidents 1 American Civil War 1 Anti-fascist movements 1 Casualties 1 Catholic Church 1 Charities 1 Concentration camps 1 Dissertations 1 less ...