Man pages matching name debian::control::stanza::source in section 3pm:

Debian::Control::Stanza::Source.3pm.en	debian 10 / libdebian-source-perl
Debian::Control::Stanza::Source.3pm.en	debian 11 / libdebian-source-perl
Debian::Control::Stanza::Source.3pm.en	debian 12 / libdebian-source-perl