Postcards History 37 Social life and customs 20 Photography 6 Art collections 5 Cities and towns 5 Social aspects 5 more ... Women 5 Armed Forces 4 Private collections 4 Sino-Japanese War, 1937-1945 4 Social conditions 4 Campaigns 3 City and town life 3 Collectors and collecting 3 Country life 3 Description and travel 3 Harems 3 History, Local 3 Photography of women 3 Political aspects 3 Russo-Japanese War, 1904-1905 3 Urbanization 3 World War, 1914-1918 3 Africans 2 Americana 2 Foreign relations 2 Gauchos 2 Indians of South America 2 Monarchy 2 less ...