"That is the most important thing if you think about it. How I remembered is alphabetically. Centaurs were first, followed by the goblins twice. House elves and vampires came not too long after the second goblin revolt, but in order. Werewolves are still in the fence today."
Terry shrugged and flipped through his old notes. They were so jumbled and drawn over that he was having a hard time understanding his own thought processes. Little things he did remember from his study groups last year, though. The alphebet was one of them. He had another for Arithmancy that worked with Astronony.