Showing 1 - 5 results of 5 for search 'Obourn, Ellsworth Scott', query time: 0.01s Refine Results
  1. 1

    Teaching the pursuit of science by Obourn, Ellsworth Scott, 1897-, Woodburn, John H.

    Published 1965
    Book

    Teaching the pursuit of science
  2. 2

    Exploring the world of science by Obourn, Ellsworth Scott

    Published 1963
    Book

    Exploring the world of science
  3. 3

    Activities for the world of science by Obourn, Ellsworth Scott

    Published 1963
    Book

    Activities for the world of science
  4. 4

    Teacher's guide for discovering the world of science by Obourn, Ellsworth Scott

    Published 1963
    Book

    Teacher's guide for discovering the world of science
  5. 5

    Science in everyday life by Obourn, Ellsworth Scott 1897-

    Published 1958
    Book

    Science in everyday life

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