Practical metallurgy and assaying : a text - book for the use of teachers, students, and assayers

UANL

Descriptive analyses of piano works for the use of teachers, players, and music clubs by Edward Baxter Perry

UANL

Rudimentary economics for schools and colleges

UANL

A latin grammar for Schools and colleges

UANL

Gramaire d'apres la methode experimentale a lusage de l'eseignement primaire et des classes elementaires des lycees et colleges

UANL