Pitts Theology Library is one of the premier theology libraries in North America. It contains a carefully cultivated collection of theological materials, providing rich historical resources, as well as training on the latest digital and online offerings. Among its 589,000 volumes are more than 126,000 rare items. These include the Richard C. Kessler Reformation Collection of imprints and manuscripts, and the English and American Hymnody and Psalmody Collection with about 15,000 items dating from the 16th to the 20th century. The library also administers an online digital image archive of 42,000 rare illustrations, which opens up the some of the finest aspects of the Pitts' collections to the world.