Craigo, Ralph T.
Nationality: 
(Unknown)
Identities and Authority Control
- pdbooks.info ID: 138477
Ralph T. Craigo Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Shop mathematics, pt. 2. Advanced shop mathematics, prepared in the extension division of the University of Wisconsin | 1913 | Author | |  |  | | | ||