Economics 19th /cgi-bin/koha/opac-shelves.pl?rss=1&viewshelf=545 RSS feed for public list Economics 19th Economics. 19th. Edition. by Samuelson, P. A /cgi-bin/koha/opac-detail.pl?biblionumber=36881 Economics. 19th. Edition. by Samuelson, P. A /cgi-bin/koha/opac-detail.pl?biblionumber=36855 Economics. 19th. Edition. by Samuelson, P. A /cgi-bin/koha/opac-detail.pl?biblionumber=36839 Economics. 19th. Edition. by Samuelson, P. A /cgi-bin/koha/opac-detail.pl?biblionumber=36838