| El Progesso, Newspaper, Mathamoros/ Brownsville, Texas |
| Number of titles | 1 |
 |
| Spanish Newspapers, Tampa, Florida |
| Number of titles | 1 |
|
| Jesús Cólón Collection, Centro de Estudios Puertorriqueños |
| Number of titles | 1 |
|
| Erasmo Vando Papers, Centro de Estudios Puertorriqueños |
| Number of titles | 1 |
|
| Pura Belpré Collection, Centro de Estudios Puertorriqueños |
| Number of titles | 1 |
|
| Ruth M. Reynolds Collection, Centro de Estudios Puertorriqueños |
| Number of titles | 1 |
|
| Graciany Miranda Collection, Centro de Estudios Puertorriqueños |
| Number of titles | 1 |
|
| Centro de Estudios Puertorriqueños, Pre-1960 Publications |
| Number of titles | 1 |
|
| Latin Times, East Chicago, Indiana |
| Number of titles | 1 |
|
| Luis Pérez Collection |
| Number of titles | 1 |
|
| Papers of the Rev. Efraín F. Bello |
| Number of titles | 1 |
|
| Sermons of Rev. Efraín F. Bello |
| Number of titles | 1 |
|
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