This series contains the following 6 files.
- EAP1065/4/2/1: Materia Tratada, 1903-1917
- EAP1065/4/2/2: Materia Tratada, 1905
- EAP1065/4/2/3: Materia Tratada, 1905
- EAP1065/4/2/4: Materia Tratada, 1905
- EAP1065/4/2/5: Materia Tratada, 1911-1913
- EAP1065/4/2/6: Materia Tratada, 1914-1916.