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%T Looking back at 50 years of U.S. Philanthropy %A Katz, Stanley N. %A Soskis, Benjamin %P 53 %V 116 %D 2018 %@ 1868-1840 %> https://nbn-resolving.org/urn:nbn:de:0168-ssoar-56900-9 %C DEU %C Berlin %G en %9 Arbeitspapier %W GESIS - http://www.gesis.org %~ SSOAR - http://www.ssoar.info