Collector. Newsletters of the Model Railroad Interest Group (1960–1985), for which Garrity served as editor, plus his notes and typescripts for the same. Also included are correspondence (1950–1988); published and unpublished articles by Garrity and others, regarding railroad development around Ripley, Oklahoma, and Eureka Springs, Arkansas; Oklahoma natural history; Oklahoma local history; and solar energy. The collection also contains numerous sound recordings on cassette tapes.