Hayes, Harold O., –(no earlier than 1973)
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2333542A
- pdbooks.info ID: 104907
Harold O. Hayes Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| 1001 ways to use concrete | 1937 | Author | |  | | | | ||