- ArquivoJCM-F-03 - Fondo José Carlos Mariátegui
- Parte5 - Correspondencia JCM
- Série5.1 - Correspondencia Emitida
- 14 mais...
- 1916-05-19 - Carta a Bertha Molina (Ruth), 19/5/1916
- 1916-05-20 - Carta a Bertha Molina (Ruth), 20/5/1916
- 1916-06-01 - Carta a Bertha Molina (Ruth), 1/6/1916
- 1916-06-07 - Carta a Bertha Molina (Ruth), 7/6/1916
- 1916-06-08 - Carta a Bertha Molina (Ruth), 8/6/1916
- 1916 - Carta a Bertha Molina (Ruth), [1916]
- 1916-06-11 - Carta a Bertha Molina (Ruth), 11/6/1916
- 1916-07-13 - Carta a Bertha Molina (Ruth), 13/7/1916
- 1916-08-01 - Carta a Bertha Molina (Ruth), 1-8-1916
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