Gay, Pierre Héliodore, 1874–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 42854
Pierre Héliodore Gay Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| French elementary schools: official courses of study | 1927 | Author | |  |  | | | ||
| L'art d'enseigner | 1929 | Author |  |  |  | | | ||