Rogelio Books

Guillermo Calles
Guillermo Calles

By Rogelio Agrasanchez

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"This biography traces Guillermo Calles' (1893-1958) career from his earliest Hollywood days through the 1950s. Included are the only surviving images of the filmmaker's silent productions, a closi...

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Mexican Movies in the United States
Manual Para Proclamadores de La Palabra
Escaparse de las prisiones interiores
Conducir un trailer
Conducir un trailer

By Rogelio, Guedea

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Color : reflexiones
Color : reflexiones

By

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De Origen vario
De Origen vario

By Alvaro Morales

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La voz a ti debida
La voz a ti debida

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Arbol de Variada Luz
Arbol de Variada Luz

By Rogelio Guedea

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Sudoku Medium Difficulty
Sudoku Medium Difficulty

By Rogelio

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If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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