By Zea, Leopoldo.
Barcelona Editorial Ariel 1976 .
542 p.

By Estruch, Joan.
Barcelona Editorial Ariel 1972 .
183 p.

By Glover, Jonathan..
Barcelona Editorial Ariel 1986 .
232 p. , Translation of : What sort of people should there be? 84344105593 (pbk.)

By Carr, Raymond.
Barcelona Editorial Ariel 1969 .
734 p. , Translation of Spain 1808-1939.

By Sabino, Carlos A..
Caracas Editorial Ariel 1984 .
222 p.

By Leñero, Vicente..
México Editorial Ariel y Seix Barral 1981 .
135 p. 20 cm..

By Alcina Franch, Juan..
Barcelona : Editorial Ariel, 1975 .
1244 pages ; 21 cm..

By Bunge, Mario Augusto.
Barcelona Editorial Ariel 1979 .
955 p. , Translation of Scientific research. 24 cm..

By Severino, Emanuele..
Barcelona Editorial Ariel 1984 .
235 p. , Translation of : La filosofia moderna. 23 cm..
85175030

By George, Pierre.
Barcelona Editorial Ariel 1977 .
362 p. , Translation of : Precis de geographie rurale.

By Maravall, José Antonio, .
Barcelona Editorial Ariel 1980 .
542 p. 21 cm..
8434483394

By Selden, Raman.
Barcelona Editorial Ariel 1989 .
178 p. , Translation of : A reader's guide to contemporary literary theory.

By Saperas, Enric..
Barcelona Editorial Ariel 1985 .
280 p.

By Chomsky, Noam, .
Barcelona Editorial Ariel 1975 .
607 p. , Translation o f : For reasons of state.

By Dworkin, Ronald..
Barcelona Editorial Ariel 1977 .
508 p. ; , Tr. de Marta Guastavino. 8434415089

By Bustos Ramírez, Juan.
Barcelona Editorial Ariel 1986 .
xxvi, 494, [1] p. 23 cm..

By Mishan, Edward J..
Barcelona Editorial Ariel 1974 .
276 p. , Translation of : Twenty-one popular economic fallacies.

By Batllori Munné, Miguel.
Barcelona Editorial Ariel 1987 .
xiii, 197 p. 8434465582

By Galbraith, John Kenneth, .
Barcelona Editorial Ariel 1976 .
277 p. , Translation of: The grat crash, 1929.

By Lassalle, Ferdinand, .
Barcelona Editorial Ariel 1984 .
183 p. 20 cm..
8434410109

By Tiedermann, Klaus..
Barcelona Editorial Ariel 1985 .
235 p. 21 cm..
8434415143

By Rivers, Elias L. comp..
Barcelona Editorial Ariel 1974 .
407 p.

By Iglesias, Juan,.
Barcelona Editorial Ariel 1986 .
xxv, 774 p. , Previously classified under: K 435 I45 1979 23 cm..
8434415011

By Kunkel, Wolfgang.
Barcelona Editorial Ariel 1999 .
248 p. , Translation of: Römische Rechtsgeschichte. 21 cm..
843441502X

By Larenz, Karl.
Barcelona Editorial Ariel 1980 .
536 p. 23 cm..
8434406136

By Alcina Franch, Juan..
Barcelona Editorial Ariel 1983 .
1244 p.

By Martí, José,.
Barcelona Editorial Ariel 1973 .
181 p.

By Schaff, Adam..
Barcelona Editorial Ariel 1973 .
247 p. , Translation of Essays über die Philosophie der Sprache, which is atranslation of Szkie z filosofi jezyka.

By Battersby, Albert..
Barcelona Editorial Ariel 1967 .
428 p. , Translation of: Network analysis for planning and scheduling.

By Hague, Douglas Chalmers..
Barcelona Editorial Ariel 1974 .
492 p. , Translation of: Managerial economics : analysis for business decisions. | Includes index.

By Bonhoeffer, Dietrich.
Esplugues de Llobregat, Barcelona Editorial Ariel 1969 .
283 p. , Translation of : Widerstand und ergebung; briefe und aufzeichnungen aus der Haft. | Include indexes.

By Barjau, Eustaquio.
Esplugues de Llobregat Editorial Ariel 1975 .
158 p. 18 cm..
8434483181

Barcelona Editorial Ariel 1982 .
320 p. 22 cm..
8434483491

By Piaget, Jean,.
Barcelona Editorial Ariel 1975 .
189, [3] p. , Translation of Psychologie et épistémologie. 18 cm..
8434407078

By Jameson, Fredric, .
México Editorial Ariel 1980 .
229 p. , Included index. | Translation of : The prison-house of language : A critical account of structuralism and Russian formalism. 8434483416

By Durá Peiró, José M..
Barcelona Editorial Ariel 1988 .
561 p. 24.
8434420317

By Bunge, Mario Augusto.
Barcelona Editorial Ariel 1978 .
301 p. , Translation of: Philosophy of physics. | Included indexes.

Barcelona Editorial Ariel 1983 .
487 p. , Translation of : Studies in the philosophy of biology :reduction and related problems. 8434480085

By Le Corbusier.
Barcelona Editorial Ariel 1989 .
151 p. , Originally published in French: Paris : Fondation Le Corbusier and Editións de Minuit, 1957. | Includes the text of the charter drawn up at the 4th International Congress for Modern Architecture, Athens, 1933, and commentary by Le Corbusier. 20 cm..
8434407051

By Lynch, John.
Barcelona Editorial Ariel 1976 .
430 p. , Translation of: The Spanish American revolutions. 8434465078

By Barbancho, Alfonso G..
Barcelona Editorial Ariel 1986 .
430 p. , Includes index. 8434420058

By Raimbault, Ginette..
Barcelona : Editorial Ariel, 1985 .
187 p. : , Translation of : Clinique du réel. 20 cm..
8434410451

By Malinvaud, Edmond..
Barcelona Editorial Ariel 1974 .
378 p. , Translation of : Leçons de théorie microéconomics.

By Schaff, Adam..
Barcelona Editorial Ariel 1973 .
247 p. , Translation of : Essays über die Philosophie der Sprache, which is atranslation of Szkie z filosofi jezyka.

Barcelona Editorial Ariel 1988 .
286 p. 8434420309

By Blanco Ramos, Ignacio..
Barcelona Editorial Ariel 1973 .
415 p. , "Derecho tributario: actualización hasta septiembre de 1974" (11 p.) inserted. 21 cm..
8434406063

By Touraine, Alain, .
Barcelona Editorial Ariel 1978

By Anderson Imbert, Enrique.
Barcelona Editorial Ariel 1992 .
283 p. 24 cm..
8434483890

By Brioschi, Franco..
Barcelona Editorial Ariel 1992 .
362 p. 21 cm..
8434483882

By Copleston, Frederick Charles..
Barcelona Editorial Ariel 1974 .
v.