1. Above Ground: Information on Artists III: Special Focus New York City Aging Artists Jeffri, Joan; Spiller, Michael W.; Heckathorn, Douglas D.; Simon, Jenifer 2007 Reports Older artistsPerforming artsDemography
2. Still Kicking Hall, Larry; Barnes, Saundra; Sheridan, John; Gorney, Sondra; Tsuai, Yung Yung; Metzel, Mike; Lane, Vicki Panvini; Teachers College. Research Center for Arts and Culture 2011 Interviews ArtsPerforming arts
3. Still Kicking: Aging Performing Artists in NYC and LA Metro Areas: Information on Artists IV Jeffri, Joan; Iguchi, Martin Y.; Penrose, William 2011 Reports Performing artsDemography