By Spirito, Ugo.
Madrid Unión Editorial 1972 .
248 p. , Translation of :Tramonto o eclissi dei valori tradicionali?

By Ellul, Jacques..
Madrid Union Editorial 1973 .
328 p. 8472090094

By Sánchez de la Torre, Angel..
Madrid Unión Editorial 1975 .
241 p. 21 cm..
8472090272

Madrid Unión Editorial 1977 .
188 p. , Translation of : Free enterprise... an imperative.

By Manrique de Lara, José Gerardo.
[Madrid] Unión Editorial 1968 .
197 p. 18 cm..

By Conde, Carmen.
Madrid Union Editorial 1969 .
258 p. 17 cm..

By Clément, Marcel..
Madrid Unión Editorial 1972 .
168 p. , Translation of Le Christ et la révolutión. 21 cm..

By Von Mises, Ludwig,.
Madrid Unión Editorial 1974 .
165 p. , Translation of : Bureaucracy.

By Umbral, Francisco , 1935-.
Madrid Unión Editorial 1968 .
166 p.

By Prieto, Fernando.
Madrid Unión Editorial 1996 .
xxvi, 973 p. 24 cm..
8472093034

By Leoni, Bruno.
Madrid : Unión Editorial 1995 .
278 p. , Includes index. | Includes footnotes. 22 cm..
8472092844

By Benson, Bruce.
Madrid Unión Editorial 2000 .
432 p. , Traducción de: The enterprise of law justice without the state. 2000..
8472093530

By Polo, Leonardo..
México Unión Editorial 1997 .
198 p. 21 cm..
8472093182

By Oakeshott, Michael.
Madrid Unión Editorial 2012 .
365 pages 23 cm..
9788472095670