http://31.97.24.37/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Langer%2C%20William%20%22&sort_by=relevance&format=rss 2 0 50 ISBN: http://31.97.24.37/cgi-bin/koha/opac-detail.pl?biblionumber=9690 By Langer, William .
Buenos Aires : Sopena Argentina, 1957 .
2 v

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]]> http://31.97.24.37/cgi-bin/koha/opac-detail.pl?biblionumber=9690 ISBN: http://31.97.24.37/cgi-bin/koha/opac-detail.pl?biblionumber=9691 By Langer, William L .
s/l : Sopena, 1944 .
1326 p , Cronología completa y ordenada de las edades antigua, media, moderna y contemporánea

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