Carta a Ricardo Vegas García, 20/1/1925
Carta a Ricardo Vegas García, 24/12/1924
Carta a Ricardo Vegas García, 22/12/1924
Carta a Ricardo Vegas García, 1/12/1924
Carta a Ricardo Vegas García, 18/11/1924
Carta a Ricardo Vegas García, 12/11/[1924]
Carta a Ricardo Vegas García, 5/11/[1924]
Carta a Ricardo Vegas García, 28/10/1924
Carta a Ricardo Vegas García, 13/10/1924
Carta a Ricardo Vegas García, 9/9/1924
Carta a Ricardo Vegas García, [9/1924]
Tarjeta Postal a María Consuelo Cavero Mariátegui y Amalia Cavero Mariátegui, 1/1/1924
Carta a Victoria Ferrer, 22/8/1924
Carta a Ricardo Vegas Garcia, 22/7/1924
Carta a Pedro Ruíz Bravo, 9/6/1923
Tarjeta Postal a Guillermina Mariátegui de Cavero, 1/1/1923
Carta a Bertha Molina (Ruth), 16/10/1920
Tarjeta Postal a Ricardo Martínez de la Torre, 30/6/1920
Tarjeta Postal a Modesto Antonio Cavero
Tarjeta Postal a Guillermina Mariátegui de Cavero, 16/10/1919
Carta a Ricardo Vegas García y Manuel Seoane, 4/7/1919
Carta a Pedro Ruíz Bravo, 25/6/1918
Carta a Bertha Molina (Ruth) [2/1916]
Carta a Bertha Molina (Ruth), [1916]
Carta a Bertha Molina (Ruth), 21/11/1916
Carta a Bertha Molina (Ruth), 11/10/1916
Carta a Bertha Molina (Ruth), 17/9/1916
Carta a Bertha Molina (Ruth), 31/8/1916
Carta a Bertha Molina (Ruth), 11/8/1916
Carta a Bertha Molina (Ruth), 1-8-1916
Carta a Bertha Molina (Ruth), 13/7/1916
Carta a Bertha Molina (Ruth), 11/6/1916
Carta a Bertha Molina (Ruth), 8/6/1916
Carta a Bertha Molina (Ruth), 1/6/1916
Carta a Bertha Molina (Ruth), 7/6/1916
Carta a Bertha Molina (Ruth), 20/5/1916
Carta a Bertha Molina (Ruth), 19/5/1916
Carta a Bertha Molina (Ruth), 14/5/1916
Carta a Bertha Molina (Ruth), 7/5/1916
Carta a Bertha Molina (Ruth), 1/5/1916
Carta a Bertha Molina (Ruth), 26/4/1916
Carta a Bertha Molina (Ruth),16/4/1916
Carta a Bertha Molina (Ruth), 11/4/1916
Carta a Bertha Molina (Ruth), 10/4/1916
Carta a Bertha Molina (Ruth), 16/3/1916
Carta a Bertha Molina (Ruth), 9/3/1916
Carta a Bertha Molina (Ruth), 28/2/1916
Carta a Bertha Molina (Ruth), 4/2/1916
El problema editorial
El problema de la universidad