The growth of American trade unions, 1880-1923 by Wolman, Leo 1890-1961

Domestic air cargo its prospects. by Wein, Harold H.

Occasional papers.

Studies on local government.

How to count patents and value intellectual property uses of patent renewal and application data by Lanjouw, Jean O.

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Using a natural experiment to estimate the effects of the unemployment insurance payroll tax on wages, employment, claims, and denials by Anderson, Patricia M.

Annual report - National Bureau of Economic Research.

National Bureau Report.

Economic leaflets.

Coco-based farming systems state of the knowledge and practice.