BakkeE. W.Citizens without work. New Haven: Yale Univer. Press, 1940.
2.
BrennerM. H.Mental illness and the economy. Cambridge: Harvard Univer. Press, 1973.
3.
HollingsheadA. B.ReduchF. C.Social class and mental illness. New York: Wiley, 1958.
4.
MalzbergB.Important statistical data about mental illness. In ArietiS. (Ed.), American handbook of psychiatry. Vol. I. New York: Basic Books, 1959. Pp. 161–174.
5.
NeffW. S.Work and human behavior. New York: Atherton, 1968.
