Columbia subject headings:
Harvard subject headings:
Electronic surveillance--United States--History--21st century--Comic books, strips, etc.
Graphic novels
Intelligence service--United States--History--21st century--Comic books, strips, etc.
Nonfiction comics.
Whistle blowing--United States--History--21st century--Comic books, strips, etc.
Princeton subject headings:
Comics (Graphic works)
Electronic surveillance--United States--History--21st century--Comic books, strips, etc.
Graphic novels.
Intelligence service--United States--History--21st century--Comic books, strips, etc.
Whistle blowing--United States--History--21st century--Comic books, strips, etc.