F.O.B. murder.
Hitchens, Hubert.
Olsen, Dolores Birk,pseud. [i.e. Julia Clara Catharine Maria Dolores Hitchens.]
London, 
1957.
Joint authors: Hubert Hitchens and Dolores Birk Olsen, pseud. [i.e. Julia Clara Catharine Maria Dolores Hitchens.]