Columbia subject headings:
Harvard subject headings:
Goetzner, Stephan--Political and social views.
Philosophy, Modern--20th century--Humor.
Philosophy, Modern--21st century--Humor.
Princeton subject headings:
Groetzner, Stephan, 1965---Political and social views.
Humor.
Philosophy, Modern--20th century--Humor.
Philosophy, Modern--21st century--Humor.