Shockley
Maester
And besides that, in later ages there was the elf/dwarf racism in people like Celeborn and Thranduil, and even the wise and mighty Galadriel was subject to temptation from the Ring
While I'm not huge on reading sub-texts in Tolkien's work, this one always interested me. We have to accept, first and foremost, that the Silmarillion is essentially Elven propaganda. Couple that knowledge with what you hear about the elf/dwarf split in that book and in the Hobbit, it's very possible that the Elves are at fault for the split.