The Santa Fe Institute Library is a member of the Alliance for Innovation in Science and Technology Information which is a consortium of science-technology libraries. SFI researchers are entitled to library privileges at the facilities of all of the members. To use one of these libraries, you must possess a "Passport" which the librarian will supply to you. Below is a list of the member libraries.
Los Alamos National Laboratory Research Library
New Mexico State University Library
NASA Scientific and Technical Program
Sandia National Laboratories Technical Library