I am in the process of putting together a list of side quests per expansion. This is what I got so far. Does anybody know where the rest is from?
Soul To Save BG
Hook, Line, and Tentacle BG
Pest Control BG
Dragon Hunting BG
Arachnophilia BG
Lair of Tekaris BG
Enemy of my Enemy BG
Tombs of Kayladorn BG
Mad Moriden' Tower MoB
Smash and Grab MoR
Temple of the Elemental Dragon LotW
The worse Exotic Merriod Inn SoN
Tooth and Blade BotW
Tooth and Blade, alternate map SoN
Choose your Poison SotS
Choose your Poison, alternate map LoR
Names of Nightfall CtR
Blind with Hunger
Gather no Moss
Ice Prison
Prisoner Exchange
Stand at Thaurgrim's Rest
The Demon Hive
The Prisoner of Icespire
The Treasure of Davin Throm
Time Trials