They do, I work there in the reference department and they keep them in the office so you would have to ask one of the ladies at the desk to view a yearbook. They cannot be taken out. The year books goes back into the early 1930s. Though, they do not really have the more recent years in their possession.
Yes
Yes some. Ask at Reference. They can be photocopied but can't check out
I am not sure
Thanks! Your answer is awaiting moderation.