This site covers all available profession guides in World of Warcraft Classic and Burning Crusade Classic.
Classic
Primary Professions – Crafting
Alchemy 1-300
Blacksmithing 1-300
Enchanting 1-300
Engineering 1-300
Leatherworking 1-300
Tailoring 1-300
Primary Professions – Farming
Secondary Professions
Burning Crusade
Primary Professions – Crafting
Alchemy 300-375
Blacksmithing 300-375
Enchanting 300-375
Engineering 300-375
Jewelcrafting 1-375
Leatherworking 300-375
Tailoring 300-375
Primary Professions – Farming
Secondary Professions