https://catalogo.biblioteca.chaves.pt/cgi-bin/koha/opac-search.pl?q=ccl%25253Dau%252520Schaefer%252520Jack&sort_by=relevance_dsc&limit=au%3ASchaefer%2C+Jack&format=rss2 Search results for 'ccl%3Dau%20Schaefer%20Jack' with limit(s): 'author:Schaefer, Jack' at 0 20