By Chaussin, C..
Bilbao : URMO, 1972 .
314 p. : 24 cm.

By Hinzmann, R..
Buenos Aires : Labor, 1945 .
282 p. : 21 cm.

By Bray, John L..
New York : J.Wiley, 1947 .
587 p. : 23 cm.

By Liddell, Donald M..
New York : McGraw-Hill, 1945 .
656 p. : 22 cm.

By Rubio de la Torre, Juan.
Cartaggna : J.Saura-Imp.Casa Garnero, 1942 .
425 p. : 20 cm.

By Mathewson, C. H..
New York : AIME, 1935 .
427 p. : 20 cm.

By Liddell, Donald M..
New York : McGraw-Hill, 1945 .
721 p. : 22 cm.

By Judge, A. W..
London : Pitman, 1943 .
479 p. : 22 cm.