Image Information
- List of men working at Astra in 1913 and 1914
- PAT00314
- ACPJA, Vol. 1, pg. 8
- Petroleum Industry; Documents and Records
- Scrapbook
- Astra
Spanish Image Information
- Lista de los trabajadores en Astra, en 1913 y 1914.
- Industria petrolera; Documentos