https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Castera%2C%20Pedro%2C%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=6795 By Castera, Pedro,.
México : Porrúa, 1950 .
309 p.

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México : UNAM, Coordinación de Humanidades, 1987 .
239 p. 9688377236

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