Man pages matching name dh_install in section 1:

dh_install.1.de	debian 10 / debhelper
dh_install.1.en	debian 10 / debhelper
dh_install.1.fr	debian 10 / debhelper
dh_install.1.ja	debian 10 / debhelper
dh_install.1.pt	debian 10 / debhelper
dh_install.1.de	debian 11 / debhelper
dh_install.1.en	debian 11 / debhelper
dh_install.1.fr	debian 11 / debhelper
dh_install.1.pt	debian 11 / debhelper
dh_install.1.de	debian 12 / debhelper
dh_install.1.en	debian 12 / debhelper
dh_install.1.fr	debian 12 / debhelper
dh_install.1.pt	debian 12 / debhelper