Xanthes
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 88292
Xanthes Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| The new mental efficiency manual: revised and abridged from the ten-volume "Mental efficiency seres," with added contributions from the famous authorities | 1934 | Author of Section | |  | |  | | ||
| Speech, how to use it effectively | Authorized ed., | 1916 | Author | | | |  | | 
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