Man pages matching name bts in section 1:

bts.1.de	debian 10 / devscripts
bts.1.en	debian 10 / devscripts
bts.1.fr	debian 10 / devscripts
bts.1.de	debian 11 / devscripts
bts.1.en	debian 11 / devscripts
bts.1.fr	debian 11 / devscripts
bts.1.de	debian 12 / devscripts
bts.1.en	debian 12 / devscripts
bts.1.fr	debian 12 / devscripts