https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AGrijalbo%2C%20and%20au%3AEngels%2C%20Friedrich%20and%20itype%3ALIBRO-H%20and%20itype%3ALIBRO%20and%20itype%3ALIBRO%20and%20ccode%3ABB%20and%20se%3ACiencias%20econ%C3%B3micas%20y%20sociales&sort_by=acqdate_dsc&format=rss 2 0 50 ISBN:968419661X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=29077 ]]> By Marx, Karl,.
México : Grijalbo, 1987 .
746 p. 968419661X

]]> Place hold on La ideología alemana :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=29077 ISBN:9684192509 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=52601 ]]> By Marx, Karl,.
México : Grijalbo, 1958 .
308 p. 9684192509

]]> Place hold on La sagrada familia :

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