Frederick Leypoldt | |
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| Born | 17 November 1835  Stuttgart |
| Died | 31 March 1884 (aged 48) |
| Occupation | Bibliographer |
Frederick Leypoldt (born Jakob Friedrich Ferdinand Leupold; 17 November 1835 – 31 March 1884) was a German-American bibliographer, the founder of Library Journal, Publishers Weekly, Index Medicus and other publications.