223
by Scharf, Hans-Werner
Published 1994
Schöningh

228
by Herwig, Henriette
Published 1980
Vandenhoeck & Ruprecht

233
by Borgards, Roland
Published 2005
Fink

239
by Kapinos, Kandice A.
Published 2012
Dept. of Veterans Affairs, Health Services Research & Development Service

240
Published 1999
National Academy Press