Political cartoons--20th century American wit and humor--Periodicals 1 Current events--United States--HIstory--20th century 1 Ethnic groups--Comic books, strips, etc 1 Ethnic groups--United States--Attitudes 1 Minorities--United States--Attitudes 1 New Deal, 1933-1939--Caricatures and cartoons 1 more ... Pennsylvania--History 1 Political cartoons--18th century 1 Political cartoons--19th century 1 Political cartoons--United States 1 Presidents--United States--Election--1864--Caricatures and cartoons 1 Presidents--United States--Election--1868--Caricatures and cartoons 1 Reconstruction (U.S. history, 1865-1877)--Caricatures and cartoons 1 Stereotypes (Social psychology)--History 1 World War, 1914-1918--Caricatures and cartoons 1 World War, 1914-1918--United States--Pictorial works 1 World War, 1939-1945 1 World War, 1939-1945--Caricatures and cartoons 1 World politics--Caricatures and cartoons 1 less ...