https://law.utexas.edu/humanrights/RADOC is the largest collection of its kind in the world and contains 10,000 books, monographs, bound articles, papers and letters, prints, transparencies, photographs, audio- and video-recorded material, framed and unframed prints and documents as well as many other non-media items. The Center regularly receives materials from various individuals and publishers, including Etudes Tsiganes, The Romany and Traveller Family History Society, Lacio Drom, The University of Hertfordshire Press and the Centre de Recherches Tsiganes.