http://catalogo.fi.uba.ar/cgi-bin/koha/opac-search.pl?q=ccl=an%3A18855%20and%20se%3AEnciclopedia%20del%20pensamiento%20esencial%20&format=rss2 3 0 50 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=16436 By Babini, José. Buenos Aires : Centro Editor de América Latina , 1967 . 118 p. ; 19 cm. .

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=16436 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=16437 By Santaló, Luis A.. Buenos Aires : Centro Editor de América Latina , 1968 . 103 p. ; , Contiene bibliografía 19 cm. .

]]> http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=16437 ISBN http://catalogo.fi.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=16438 By Banfi, José. Buenos Aires : Centro Editor de América Latina , 1967 . 117 p. ; , Contiene bibliografía 19 cm. .

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