Library Stacks
Libraries provide many different resources for research, including research librarians, specialized databases and scholarly journals, and, of course, books.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Libraries are Creepy | Flickr - Photo Sharing!."
http://www.flickr.com/photos/paul_lowry/2266388742/
Flickr
CC BY.