By Levin, Meyer.
New York Simon and Schuster 1956 .
495 p. 22 cm..

By Angoff, Charles.
New York Simon and Schuster 1970 .
988 p. 24 cm..
067120369X

By Levin, Meyer.
Argentina Compania General Fabril Editora, S.A.1961. .
529 p.

By Levin, Meyer.
Barcelona Bruguera 1967 .
285 p. , Título original: The stronghold. 22 cm..

By Levin, Meyer.
New York Simon and Schuster 1978 .
670 p. 22 cm..
0671225502