Youngken, Heber W., (Heber Wilkinson), Jr, 1913–2001
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 169357
(Heber Wilkinson), Jr Heber W. Youngken Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Pharmacognosy: the study of natural drug substances and certain allied products | 2d ed. | 1956 | Author | |  | |  | | 
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