In March 2004, the American Folklife Center in the Library of Congress acquired the Alan Lomax Collection, which comprises the unparalleled ethnographic documentation collected by the legendary folklorist over a period of sixty years. It includes more than 5,000 hours of sound recordings, 400,000 feet of motion picture film, 2,450 videotapes, 2,000 scholarly books and journals, hundreds of photographic prints and negatives, several databases concerning portions of the archive, and over 120 linear feet of manuscript such as correspondence, fieldnotes, research files, program scripts, indexes, and book and article manuscripts, 16mm footage of performances by Howling Wolf, Son House, and others during the Newport Folk Festival in 1966; videotape of folk dance performances; and work elements and originals of numerous films made by Lomax.