“...Mexico Civilization 20th century Periodicals....”
Full text available from Latin America & Iberia Database: 01/01/1998 to present
Full text available from PRISMA Database with HAPI Index: 01/01/1998 to present
Full text available from Sociology Database: 01/01/1998 to present
Full text available from PRISMA Database with HAPI Index: 01/01/1999 to 04/30/2016

“...Mexico Civilization 20th century Periodicals....”
Available in Fuente Académica Plus.

“...Spain Civilization 20th century....”
Digitalia Hispánica