doom wads 1 2 and 3 - SERP Analysis

https://www.pc-freak.net/blog/doom-1-doom-2-doom-3-game-wad-files-for-download-playing-doom-on-debian-linux-via-freedoom-open-source-doom-engine/

https://archive.org/details/theultimatedoom_doom2_doom.wad

https://www.reddit.com/r/Doom/comments/1f8ag30/doom_wads_in_doom_12/

https://archive.org/details/doom-wads

https://www.moddb.com/addons/doom-classic-complete-wads

https://www.doomworld.com/forum/topic/110641-what-are-the-wads-for-doom-1-and-2-that-are-considered-official/

https://github.com/Akbar30Bill/DOOM_wads

https://doomwiki.org/wiki/Versions_of_Doom_and_Doom_II

https://www.youtube.com/watch?v=4KIqL4eYPqk

https://steamcommunity.com/app/2280/discussions/0/592889900452361191/