By Bergson, Henri Louis.
Buenos Aires Ediciones Siglo Veinte 1966 .
141 p. , Translation of : Introduction a la métaphysique. L'intuition philosophique.

By Astrada, Carlos.
Buenos Aires Ediciones Siglo Veinte 1967 .
117 p. , Bibliographical footnotes.

By Allport, Gordon Willard.
Buenos Aires Ediciones Siglo Veinte 1971 .
157 p. , Translation of : An approach to personality.

By Ellis, Albert.
Buenos Aires Ediciones Siglo Veinte 1964 .
334 p. , Translation of : The american sexual tragedy.

By Scheler, Max Ferninand.
Buenos Aires Ediciones Siglo Veinte 1967 , Translation of : Mensh and Geschichte.

By Cazeneuve, Jean..
Buenos Aires Ediciones Siglo Veinte 1967 .
286 p. , Translation of : La mentalité archaique.

By Allport, Gordon Willard.
Buenos Aires Ediciones Siglo Veinte 1972 .
187 p. , Translation of : Motivation and structure in personality.

By Bunge, Mario Augusto.
Buenos Aires Ediciones Siglo Veinte [1972]

By Sándor, Pál.
Buenos Aires Ediciones Siglo Veinte 1964 .
188p. , Translation of : Histoire de la dialectique.

By Astrada, Carlos.
Buenos Aires Ediciones Siglo Veinte 1965 .
141 p. , First published in 1958 under tiele : Marx y Hegel.

By Cúneo, Dardo..
Buenos Aires Ediciones Siglo Veinte 1968 .
184 p. 21 cm..

By Heidegger, Martin,.
Buenos Aires Ediciones Siglo Veinte 1970 .
112p.

By Kronhausen, Phyllis.
Buenos Aires, Siglo Veinte 1967 .
315 p. , Translation of : The sexually responsive woman.

By Beauvoir Simone de.
Buenos Aires Ediciones Siglo Veinte 1963 .
157 p.

By Cúneo, Dardo..
Buenos Aires Ediciones Siglo Veinte 1964 .
239 p.

By Black, Hillel..
Buenos Aires Ediciones Siglo Veinte 1966 .
243 p. , Translation of : Buy now, pay later.

By Lassalle, Ferdinand Johann Gottlieb.
Buenos Aires Ediciones Siglo Veinte 1964 .
174 p. , Translation of : Was ist eine Konsitution?

By Bunge, Mario Augusto.
Buenos Aires Ediciones Siglo Veinte 1973 .
159 p.

By Castro, Josue de.
Buenos Aires Ediciones Siglo Veinte 1965 .
229 p. , Translation of Ensaios de biologia social.

By Puiggrós, Rodolfo.
Buenos Aires Ediciones Siglo Veinte 1965 .
222 p. 20 cm..

By Alain.
Buenos Aires Ediciones Siglo Veinte 1967 .
279 p. , Author's pseud., Alain, at head of title.

By Fast, Howard.
Buenos Aires Siglo Veinte 1959 .
203 p. , Translation of: Clarkton. 20 cm..

By Fast, Howard.
Buenos Aires Ediciones Siglo Veinte 1964 .
189 p. , Translation of: The golden river. 20 cm..

By Fast, Howard.
Buenos Aires Ediciones Siglo Veinte 1964 .
301 p. , Translation of: Citizen Tom Paine.

By Miller, Henry.
Buenos Aires Ediciones Siglo Veinte 1968 .
253 p. , Translation of : The Air-Conditioned Nightmare.

By Miller, Henry.
Buenos Aires Ediciones Siglo Veinte 1965 .
249 p. , Translation of: The cosmological eye.

By Lukács , György.
Buenos Aires Ediciones Siglo Veinte 1965 .
359 p. 20 cm..

By Kirst, Hans Hellmut.
Buenos Aires Ediciones Siglo Veinte 1962 .
340 p. , Translation of the original German title: Die letzte Karte spielt der Tod.

By Brecht, Bertolt.
Buenos Aires Edicones Siglo Veinte 1973 .
235 p. , Translation of : Die Geschafte des Herrn Julius Caesar

By Pavese, Cesare..
Buenos Aires Ediciones Siglo Veinte 1968 .
li, 240 p. , Translation of : Dialoghi con Leucò | Include index.

By Kinsey, Alfred Charles.
Buenos Aires Ediciones Siglo Veinte 1967 .
2 v. [827 p.] , Translation of: Sexual behavior in the human male. 24 cm..

By Viñas, David.
Buenos Aires Ediciones Siglo Veinte 1974 .
237 p. 20 cm..

By Beauvoir Simone de.
Buenos Aires Ediciones Siglo Veinte 1965 .
129 p. , Translation of : Phirrus et cineas.

By Kordon, Bernardo..
Buenos Aires Ediciones Siglo Veinte 1963 .
109 p. 21 cm..

By Mead, Margaret.
Buenos Aires Ediciones Siglo Veinte 1971 .
211 p.. , Translation of: Anthropology, a human science.

By Poliakov, Leon.
Buenos Aires Ediciones Siglo Veinte 1968 .
335 p. , Translation of: Histoire de l'antisémitisme.

By Yupanqui, Atahualpa..
Buenos Aires Ediciones Siglo Veinte 1975 .
110 p. 20 cm..

By Burns, Edward McNall.
Buenos Aires Ediciones Siglo Veinte 1976 .
2 v. (995 p. [56] p. of plates) , Translation of: Western civilizations, their history and their culture.

By Ellis, Albert.
Buenos Aires Ediciones Siglo Veinte 1972 .
302 p. , Translation of : The american sexual tragedy.

By Beauvoir Simone de.
Buenos Aires Ediciones Siglo Veinte 1981 .
2 v. , Translation of : Le Deuxieme sexe

By Bunge, Mario Augusto.
Buenos Aires Ediciones Siglo Veinte [1972]

By Lukács , György.
Buenos Aires Ediciones Siglo Veinte 1965 .
359 p. 20 cm..

By Mead, Margaret.
Buenos Aires Ediciones Siglo Veinte .
157 p. , Translation of : Anthropologist and historian their common problems.

By Tabori, Paul.
Buenos Aires Ediciones Siglo Veinte 1966 .
363 p. , Translation of: The natural science of stupidity.

By Trattner, Ernest R..
Buenos Aires Ediciones Siglo Veinte 1972 .
412 p. , Translation of : Architects of ideas.

By Niebuhr, Reinhold.
Buenos Aires Ediciones Siglo Veinte 1966 .
251 p. , Translation of : Moral man and inmoral society, a study in ethics and politics.

By Aron, Raymond.
Buenos Aires Ediciones Siglo Veinte 1976 .
2 v. , Translation of : Les étapes de la pensée sociologique : Montesquieu, Comte, Marx, Tocqueville, Durkheim, Pareto, Weber

By Fast, Howard.
Buenos Aires Siglo Veinte 1962 .
319 p. , Translation of : Spartacus.

By Trattner, Ernest R..
Buenos Aires Ediciones Siglo Veinte 1972 .
412 p. , Translation of : Architects of ideas.

By Burns, Edward McNall.
Buenos Aires Ediciones Siglo Veinte 1978 .
493 p. , Translation of : Western civilizations: their history...