Gregory, Hollingsworth Franklin, 1906–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1963767A
- pdbooks.info ID: 173967
Hollingsworth Franklin Gregory Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Anything a horse can do: the story of the helicopter | 1944 | Author | |  | |  | | 
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