Fritz Machlup From Wikipedia

http://en.wikipedia.org/wiki/Fritz_Machlup

Fritz Machlup Papers, 1911-1983

http://www.oac.cdlib.org/findaid/ark:/13030/tf000000hs

Organisation for Economic Co-operation and Development

http://www.oecd.org/findDocument/0,2350,en_2649_34539_1_1_1_1_1,00.html

Netherlands Bureau for Economic Policy Analysis

http://www.cpb.nl/eng/research/sector3/