Original outlines of the first geological maps of Galicia from Isidro Parga Pondal's time

- Original outline of the petrographic map of Galicia by Isidro Parga Pondal Boceto
- Distribution of the working areas of the minor PhD thesis of the Dutch students of the University of Leiden between 1966 and 1969 Leiden
- Tectonic outline of Galicia by Isidro Parga Pondal Bosquejo
- Geological map of the NW of the Iberian Peninsula by Isidro Parga Pondal Mapa geológico
- Petrographic-structural map of the Province of Galicia by Isidro Parga Pondal Mapa petro-estruc.
- Tectonic map of Galicia by Isidro Parga Pondal Mapa tectonico
- Map of the Kingdom of Galicia Gallaecia