I got the print brochure for this collection in the mail from a friend and was glad to see that it's online, as well. It's the Transgender Resource Collection from the Oak Park Public Library in Illinois. They provide reading lists (Selected Titles and books for children in pdf, which I think is a drag--why not make them web pages?), list local resources, additional resources, and have a link that automatically searches the library's catalog for materials assigned to the collection.
Way to go Oak Park PL!