Ciencia social, Derecho y Sindicalismo, Jesús López Medel, Madrid, 1975

Monograph on the philosophy and practice of trade unionism in Spain (with references to Mexico) – analyses theories on work as the means to full social integration and comments on the need for scientific planning in the social sciences and for founding the syndicalist system on labour legislation and labour law. Bibliography pp. 202 and 203 and references.