$a Our free enterprise economy / Morris A. Copeland. - New York ; London, cop. 1965.
670
$a LCA online
670
$a Thw New York Times 31.08.10 $b ( an economist who specialized in the flow of money and the distribution of income in the United States) $u http://www.nytimes.com/1989/05/24/obituaries/morris-a-copeland-93-is-dead.html