CRITICA Franco's Black Gold: Oil and Espionage in the Civil War. — made in Spain. The work that uncovers how the trade in oil and other lubricants was…
CRITICA Franco's Black Gold: Oil and Espionage in the Civil War., sold under the CRITICA brand, is manufactured in Spain. That origin is recorded at the "Internet-Sourced" evidence grade.
Origin evidence last reviewed 2026-10-24.
Every origin claim on Hesperia Market is graded by the strength of its evidence and linked to its sources.