Rediscover one of the best technologies that was ever invented!
Academic libraries that use the Library of Congress Classification Outline (the majority of them) can easily be browsed for serendipitous discovery of wonderful books in your subject area. All you need to know is the call number range to get yourself situated. Keep in mind that many of the text are online thru online databases such as Ebook Central.
When a book is not available in NYU Libraries' Collections, you have a few other service options: