Showing 1 - 2 results of 2 for search 'Blankertz, Donald Frederic', query time: 0.02s Refine Results
  1. 1
    Marketing cooperatives
    by Blankertz, Donald Frederic
    Published 1940
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  2. 2
    Profitable retail advertising
    by Rowen, Joseph R.
    Published 1951
    Other Authors: “…Blankertz, Donald Frederic…”
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