Caples, John., –(no earlier than 1963)
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 72863
John. Caples Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Advertising for immediate sales | 1936 | Author | |  | |  | | ||
| Tested advertising methods | 1932 | Author | | | | | | ||