CU Boulder Library Catalog
Use the following tools to get books from other libraries:
Request books from Colorado libraries that will come in just a few days. Use to request books Boulder doesn't have, or that are checked out.
Google Books and Hathi Trust let you search through the entire text of books and are very useful to finding mentions of specific topics.
The Art & Architecture Collection is arranged in Library of Congress call number order, and can be found in the northwest corner of the second floor. Relevant call number ranges include:
Not sure where to find the book you need? Check out the map of the Art & Architecture Collection.