From Tolkien Gateway

The essays of Celmo Hristocolindo

Concerning Orcs and Goblins- a simple essay for first time reader who want to know the difference between Orcs and Goblins, if there is a difference at all.

The Number of Balrogs - an essay that goes into the realms of guessing at the number of Balrogs actually in existence in the first age, did Tolkien have only seven Balrogs as he claimed?