Tier 1 spell vendors - identified so far... rumored to cost between 200 and 1Kpp. Also note several of the locations ARE NOT safe (ie wanderers) Shaman Bst and Bard among the nonsafe spots.
Melee Tomes: Sunderock Springs in the Brotherhood of the Scale encampment loc -1430 853 from Sensei Splitscale
Bard: Goru'kar Mesa ,minohten satyr camp loc -665, 1026 from Raistedas Curlbraids
Beastlord: Icefall Glacier, Loc -1557, -781 from Tavin of the Wild
Cleric: Sunderock Springs in the Brotherhood of the Scale encampment loc -1388 826 from Kalladrahn the Pure
Druid: The Steppes, loc -340, 278 from Rang Kelliam
Druid The Steppes port: The Steppes, Loc 493, -1287 from Emelia Daeren
Druid Direwind Port: In Direwind Loc: -1256, -16 from Tienen The Wanderer
Enchanter spells: Stone Hive in hedge loc 583, -997 from a bixie imposter,
Magician Spells: Sunderock Springs, Loc 1616, -1063, 570 from Pesha of the Mist
Necro Spells: Direwind Cliffs, Loc -1121, -516 from Outcast Sayrus
Paladin Spells: Sunderock Springs in the Brotherhood of the Scale encampment loc -1386 793 from Inquisitor Harona
Ranger: The steppes, -700, 1303. Close to dr00d vendor
Shadowknight spells: Direwind Cliffs, Loc -1121, -516 from Outcast Erralock
Shaman Spells: Icefall Glacier, Loc -1565, -764 from Ezna Connoy
Wizard: Goru'kar Mesa, minohten satyr camp loc loc -722, 1018 from Jaelle Florica
Wizard Blightfire Port: Blightfire Moors, Loc: -146, 576 - from Kulvinia Brightflame