Area handbook for Mexico/ co-authors, John Morris Ryan ... [et al.] - 1st ed. - Washington, D.C. : United States Government Printing Office, 1970 - xvi, 544 p. : ill. ; 24 cm. Includes index Subjects--Topical Terms: Mexico--HistoryMexico--Politics and government Subjects--Geographic Terms: Mexico Dewey Class. No.: 954.9104