Columbia subject headings:
Comic books, strips, etc.
Mortality--Comic books, strips, etc.
Harvard subject headings:
Astronauts--Comic books, strips, etc.
Comic books, strips, etc.--United States.
Comics (Graphic works)
Graphic novels
Medicine--Comic books, strips, etc.
Mortality--Comic books, strips, etc.
Mothers and sons--Comic books, strips, etc.
Young men--Comic books, strips, etc.
Princeton subject headings: