What I want to know is, was I holding a double-standard, on either of these points? Namely, is it unfair to want to keep the number of books used to a small few as a GM, but that I want to use a lot as a player?
Before you go further, consider a possibility:
The root issue may be more basic - you say no to them, but want them to say yes to you. What you are saying no or yes about may be secondary to what they think of as fairness.