https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=pl%3A%22Chicago%2C%20USA%20%3A%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=97005 By Harnischfeger, Annegret.
Chicago, USA : Mehr Licht, 1977 .
40 h. , Fotocopia

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=97005 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=19076 By Elson, William Harris,.
Chicago, USA : Scott Foresman, 1910 .
360 p. , Disponible en la Colección Medina

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