If you like to browse the shelves, most books on Buddhism fall within the call number range BQ 1 to 9800 on the Third Floor of the library. There are many topics on Buddhism included within that range; selected ones are as follows:
BQ 251-799 History
BQ 860-939 Gautama Buddha (Biography)
BQ 5360-5680 Religious life
BQ 7001-9800 Modifications, schools, etc.