Columbia subject headings:
Forests and forestry--United States--Comic books, strips, etc.
Girls--United States--Comic books, strips, etc.
Graphic novels.
Imaginary companions--United States--Comic books, strips, etc.
Harvard subject headings:
Comics (Graphic works)
Forests--United States--Comic books, strips, etc.
Girls--United States--Comic books, strips, etc.
Graphic novels
Imaginary companions--United States--Comic books, strips, etc.
Princeton subject headings: