Columbia subject headings:
Detective and mystery comics.
Graphic novels.
Green Lantern (Fictitious character)--Comic books, strips, etc.
Green Lantern (Fictitious character)--Fiction.
Murder--Investigation--Comic books, strips, etc.
Murder--Investigation--Fiction.
Race relations--Comic books, strips, etc.
Race relations--Fiction.
Science fiction comics.
Superhero comics.
Harvard subject headings:
Crime--Comic books, strips, etc.--Juvenile fiction.
Detective and mystery comics
Graphic novels
Science fiction comics
Superhero comics
Superheroes--Comic books, strips, etc.--Juvenile fiction.
Women superheroes--Comic books, strips, etc.--Juvenile fiction.
Princeton subject headings: