Man pages matching name psselect in section 1:

psselect.1.es	debian 10 / manpages-es-extra
psselect.1.pl	debian 10 / manpages-pl
psselect.1.en	debian 10 / psutils
psselect.1.es	debian 11 / manpages-es
psselect.1.pl	debian 11 / manpages-pl
psselect.1.en	debian 11 / psutils
psselect.1.es	debian 12 / manpages-es
psselect.1.pl	debian 12 / manpages-pl
psselect.1.en	debian 12 / psutils