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- Playboy (Sep, 1968)
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- Playboy (Sep, 1968)
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- Playboy (Sep, 1968)
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- Playboy’s Short Shorts (1970)
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- Process in Relationship (Textbook) (1974)
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- Process in Relationship (1974)
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- Process in Relationship (1974)
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- Process in Relationship (Textbook) (2nd Ed. 1976)