Columbia subject headings:
Censorship--United States.
Dennett, Mary Ware, 1872-1947.
Obscenity (Law)
Postal service--Law and legislation--United States.
Sex instruction.
Harvard subject headings:
Censorship--United States
Dennett, Mary Ware, 1872-1947
Obscenity (Law)
Postal service--Law and legislation--United States
Sex instruction
Princeton subject headings:
Censorship--United States.
Dennett, Mary (Ware) 1872-
Obscenity (Law)
Postal service--Law and legislation--United States.
Sex instruction.