Ayres, Leonard P.
Nationality: Undetermined, possibly 
(Unknown)
Identities and Authority Control
- pdbooks.info ID: 129547
Leonard P. Ayres Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
 |  |  | 
| ||||||
| A measuring scale for ability in spelling | 1915 | Author | |  |  | | |    
| |