One of the most essential missions of academic research libraries is to facilitate access to information. Librarians do this by sharing their print collections, as well as digital information, with members of their local communities. They also share this information, with each other, through interlibrary loan (ILL) services. A fundamental belief in the mission of information access and the value of sharing information is why so many librarians also support the open access movement. In addition to this shared mission and value, there are also lessons the open access movement can learn by exploring how traditional ILL services – and their policies, procedures, costs and reciprocal, cooperative systems – successfully function. By examining wha...