Columbia subject headings:
Comic books, strips, etc.--History and criticism.
Harvard subject headings:
Comic books, strips, etc.--History and criticism
Europe--Politics and government--1789-1900--Pictorial works.
Europe--Social conditions--1789-1900--Pictorial works.
Journalism--Political aspects.
Journalism--Social aspects.
Princeton subject headings:
Comic books, strips, etc.--History and criticism.
Europe--Politics and government--1789-1900.
Europe--Social conditions--1789-1900.
Journalism--Political aspects.
Journalism--Social aspects.