Noelker, Linda; Browdie, Richard (August 22, 2013). „Sidney Katz, MD: A New Paradigm for Chronic Illness and Long-Term Care”. The Gerontologist54 (1): 13–20. DOI:10.1093/geront/gnt086. PMID23969255.
Gurland, Barry J.; Maurer, Mathew S. (2012). „Life and Works of Sidney Katz, MD: A Life Marked by Fundamental Discovery”. Journal of the American Medical Directors Association13 (9): 764–65. DOI:10.1016/j.jamda.2012.09.003. PMID23062621.
Noelker, Linda; Browdie, Richard (August 22, 2013). „Sidney Katz, MD: A New Paradigm for Chronic Illness and Long-Term Care”. The Gerontologist54 (1): 13–20. DOI:10.1093/geront/gnt086. PMID23969255.
Gurland, Barry J.; Maurer, Mathew S. (2012). „Life and Works of Sidney Katz, MD: A Life Marked by Fundamental Discovery”. Journal of the American Medical Directors Association13 (9): 764–65. DOI:10.1016/j.jamda.2012.09.003. PMID23062621.