<![CDATA[Biblioteca Univ. Surcolombiana Search for '(su,complete-subfield:{Tratado Esguerra-Bárcenas, 1928}) AND (su,complete-subfield:{Historia})']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%7BTratado%20Esguerra-B%C3%83%C2%A1rcenas%2C%201928%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7BHistoria%7D%29&format=rss2 0 20