Map locations to start Witcher's gear quests

Bear School (COMPLETE):
1 - Armourer, Oxenfurt
2,3,4 - Blacksmith near Bridge to Kaer Trolde
Cat School (COMPLETE):
1, 2 - Vendor and blacksmith in Backbough
3 - Crow's Perch Vendor
4 - Lindenvale
Griffin School (COMPLETE):
1,2 - Midcopse, Armourer
3 - Hierarch Square in Novigrad
4 - Hattory (It's name of Vendor, basically that elf which gives you quest Of Swords and Dumplings - You need to finish that quest in order to get the map)

Pictures of all the different Witcher's gear with upgrades:
http://www.gosunoob.com/witcher-3/best-armor/

Viper School:
There's no map or upgrades and it gear set has only two swords, it's like starter Witcher's gear. You can find it in White Orchard. You can start the quest in castle ruins by searching one of chests.