- Author: Ernest R. May
- Language: English
- Year: 1975
- Author: Ernest R. May
- Language: English
- Year: 1993
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- Year: 2000
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- Language: English
- Year: 1988
- Author: Ernest R. May Richard Rosecrance Zara Steiner (editors)
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- Year: 2010
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- Language: English
- Year: 1999