- ArquivoJCM-F-03 - Fondo José Carlos Mariátegui
- Parte5 - Correspondencia JCM
- Série5.1 - Correspondencia Emitida
- 8 mais...
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- 1916 - Carta a Bertha Molina (Ruth), [1916]
- 1916-05-14 - Carta a Bertha Molina (Ruth), 14/5/1916
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