Digby, Margaret
Agricultural co-operation in the commonwealth / Margaret Digby
Basil Blackwell , 1956
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Catanach, I.J.
Rural credit in western India, 1875-1930; rural credit and the co-operative movement in the Bombay Presidency / I. J. Catanach.
University of California Press, 1970
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Gibbs, Jesse Berthold
Transformer principles and practice/ by J. B. Gibbs.
McGraw-Hill book company, inc.,, 1937.
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Barou, N.
Co-operative banking / N. Barou
P.S. King & Son, 1932
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The co-operative movement in the Netherlands an analysis
s.l. The Hague 1964,
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