Hay, William Howard
Nationality: 
(Unknown)
Identities and Authority Control
- pdbooks.info ID: 61443
William Howard Hay Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
 |  |  | 
| ||||||
| The Hay system of child development | 1936 | Author | |  | | | | ||
| Health via food | 1929 | Author | | | | | | ||
| The official cook book of the Hay system | 1934 | Author of Introduction | | | | | | ||