Man pages matching name apt-key in section 8:

apt-key.8.de	debian 10 / apt
apt-key.8.en	debian 10 / apt
apt-key.8.fr	debian 10 / apt
apt-key.8.it	debian 10 / apt
apt-key.8.ja	debian 10 / apt
apt-key.8.nl	debian 10 / apt
apt-key.8.pt	debian 10 / apt
apt-key.8.de	debian 11 / apt
apt-key.8.en	debian 11 / apt
apt-key.8.fr	debian 11 / apt
apt-key.8.it	debian 11 / apt
apt-key.8.ja	debian 11 / apt
apt-key.8.nl	debian 11 / apt
apt-key.8.pt	debian 11 / apt
apt-key.8.en	debian 12 / apt
apt-key.8.nl	debian 12 / apt
apt-key.8.pt	debian 12 / apt