Columbia subject headings:
Harvard subject headings:
Assassins--Fiction
Authors--Fiction
Booth, John Wilkes, 1838-1865--Fiction.
Poe, Edgar Allan, 1809-1849, in fiction, drama, poetry, etc.
Princeton subject headings:
Booth, John Wilkes, 1838-1865--Fiction.
Fiction.
Poe, Edgar Allan, 1809-1849--Fiction.