<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'au:"Nilson, Arthur H. "']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Nilson%2C%20Arthur%20H.%20%22&format=rss2 9 0 50