Irwin L. Collier (Collier, Irwin L.)

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  Connections, Effective Purchasing Power, and Real Product in the German Democratic Republic
  by Irwin L. Collier
  Softcover, Osteuropa-Institut, ISBN 3921374340 (3-921374-34-0)
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  The Estimation of Gross Domestic Product and Its Growth Rate for the German Democratic Republic
  by Irwin L. Collier
  Softcover, World Bank, ISBN 0821306324 (0-8213-0632-4)
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  Welfare States in Transition: East and West
  by Horst Tomann, Oliver Scholz, Irwin Collier, Herwig Roggemann
  Hardcover, Palgrave Macmillan, ISBN 0312219113 (0-312-21911-3)
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  Welfare States in Transition: East and West
  by Irwin Collier
  Hardcover, Macmillan Pub Ltd, ISBN 0333738454 (0-333-73845-4)