Columbia subject headings:
Blake, Francis (Fictitious character)--Comic books, strips, etc.--Juvenile fiction.
Comic books, strips, etc.--Belgium--Translations into English.
Criminal investigation--Comic books, strips, etc.
Graphic novels.
Intelligence officers--Comic books, strips, etc.--Juvenile fiction.
Mortimer, Philip (Fictitious character)--Comic books, strips, etc.--Juvenile fiction.
Nuclear physicists--Comic books, strips, etc.
Harvard subject headings:
Criminal investigation--Comic books, strips, etc.--Juvenile fiction.
Nuclear physicists--Comic books, strips, etc.--Juvenile fiction.
Spies--Comic books, strips, etc.--Juvenile fiction.
Princeton subject headings: