Columbia subject headings:
Princes--Denmark--Drama.
Harvard subject headings:
Denmark--Drama.
Fathers--Death--Drama
Hamlet (Legendary character)--Drama.
Murder victims' families--Drama.
Ophelia (Fictitious character)--Drama.
Princes--Denmark--Drama
Princes--Drama
Revenge--Drama
Tragedies (Drama)
Princeton subject headings:
Drama.
Princes--Denmark--Drama.