- collectionJCM-F-03 - Fondo José Carlos Mariátegui
- Partiellement5 - Correspondencia JCM
- Série organique5.1 - Correspondencia Emitida
- 8 en plus...
- 1916-04-11 - Carta a Bertha Molina (Ruth), 11/4/1916
- 1916-04-16 - Carta a Bertha Molina (Ruth),16/4/1916
- 1916-04-26 - Carta a Bertha Molina (Ruth), 26/4/1916
- 1916-05-01 - Carta a Bertha Molina (Ruth), 1/5/1916
- 1916-05-07 - Carta a Bertha Molina (Ruth), 7/5/1916
- 1916 - Carta a Bertha Molina (Ruth), [1916]
- 1916-05-14 - Carta a Bertha Molina (Ruth), 14/5/1916
- 1916-05-19 - Carta a Bertha Molina (Ruth), 19/5/1916
- 1916-05-20 - Carta a Bertha Molina (Ruth), 20/5/1916
- 194 en plus...