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The new frontiers of aging
Donahue, Wilma (contributor); Tibbitts, Clark (contributor) - 1957
Persistent link: https://www.econbiz.de/10003155130
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Aging and the Economy
Orbach, Harold L.; Tibbitts, Clark - 1963
Persistent link: https://www.econbiz.de/10001779453
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Social and psychological aspects of aging
Tibbitts, Clark; Donahue, Wilma - 1962
Persistent link: https://www.econbiz.de/10001521317
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Free time : challenge to later maturity
Donahue, Wilma; Hunter, Woodrow W.; Coons, Dorothy H.; … - 1958
Persistent link: https://www.econbiz.de/10001564009
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Aging in today's society
Tibbitts, Clark (contributor); Donahue, Wilma (contributor);  … - 1960
Persistent link: https://www.econbiz.de/10014385935