- ArquivoJCM-F-03 - Fondo José Carlos Mariátegui
- Parte5 - Correspondencia JCM
- Série5.1 - Correspondencia Emitida
- 18 mais...
- 1916-06-08 - Carta a Bertha Molina (Ruth), 8/6/1916
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- 1916-08-01 - Carta a Bertha Molina (Ruth), 1-8-1916
- 1916-08-11 - Carta a Bertha Molina (Ruth), 11/8/1916
- 1916 - Carta a Bertha Molina (Ruth), [1916]
- 1916-08-31 - Carta a Bertha Molina (Ruth), 31/8/1916
- 1916-09-17 - Carta a Bertha Molina (Ruth), 17/9/1916
- 1916-10-11 - Carta a Bertha Molina (Ruth), 11/10/1916
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