Showing 1 - 6 results of 6 for search 'Helfman, Elizabeth S.', query time: 0.12s Refine Results
  1. 1
    by Helfman, Elizabeth S.
    Published 1969
    Book
  2. 2
    by Helfman, Elizabeth S.
    Published 1968
    Book
  3. 3
    by Helfman, Elizabeth S.
    Published 1967
    Book
  4. 4
    by Helfman, Elizabeth S.
    Published 1974
    Book
  5. 5
    by Helfman, Elizabeth S.
    Published 1981
    Book
  6. 6
    by Helfman, Elizabeth S.
    Published 1993
    Book
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