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Hirsch, Donald Everett 1914- Dairy Cooperatives and Large-scale Plants; no.155
 Hirsch, Donald Everett 1914- Dairy Cooperatives and Large-scale Plants; no.155
Tulloch, Donald Worcester, City of Prosperity. Sixteenth Annual Convention National Metal Trades Association. the Bancroft, Worcester, Massachusetts, April 20-22, 1914
 Tulloch, Donald Worcester, City of Prosperity. Sixteenth Annual Convention National Metal Trades Association. the Bancroft, Worcester, Massachusetts, April 20-22, 1914
Hirsch, Donald Everett 1914-