Ladd, Horatio O. (Horatio Oliver), 1839–1932
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2516866A
- pdbooks.info ID: 110772
Horatio O. (Horatio Oliver) Ladd Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| A memorial of John S.C. Abbott, D.D. | 1878 | Author | |  | | | |    
| |