Johnson, Constance
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 135346
Constance Johnson Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| The private code and post-card cypher: a telegraph and post-card code-book for family use | 1914 | Author | |  | |  |  | ||