Humphreys, H. R. (Henry Robert)
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 160658
H. R. (Henry Robert) Humphreys Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| Acoustics, noise and buildings | 1958 | Author | |  | |  |  | 
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