Julie Wellington Contestable (Contestable, Julie Wellington)

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  Number Power: A Cooperative Approach to Mathematics and Social Development
  by Laurel Robertson, Shaila Regan, Julie Wellington Contestable, Carol Tensing Westrich, Susan Stockton Alldredge
  Softcover, Pearson Learning, ISBN 0201493233 (0-201-49323-3)
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  Number Power: A Cooperative Approach to Mathematics and Social Development/Grade 2
  by Marji Freeman, Laurel Robertson, Shaila Regan, Julie Wellington Contestable
  Softcover, Pearson Learning, ISBN 020145520X (0-201-45520-X)
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  Number Power: Kindergarten A Cooperative Approach to Mathematics and Social Development
  by Laurel Robertson, Shaila Regan, Julie Wellington Contestable
  Softcover, Addison-Wesley, ISBN 0201493209 (0-201-49320-9)