Ribbe M.W, Ljunggren G., Steel K., Topinkova E., Hawes C., Ikegami N., Henrard J.C, Jonnson P.V.  1997.  Nursing homes in 10 nations: A comparison between countries and settings. Age & Ageing. 26(SUPPL. 2):3-12.

Phillips C.D, Hawes C..  1992.  Nursing home case-mix classification and residents suffering from cognitive impairment: RUG-II and cognition in the Texas case-mix data base. Medical Care. 30(2):105-16.

Hawes C., Moudouni D.M, Edwards R.B, Phillips C.D.  2012.  Nursing homes and the affordable care act: a cease fire in the ongoing struggle over quality reform. J Aging Soc Policy. 24(2):206-20.