Spanish and Japanese archives have documents from the Hasekura mission.
Search of Spanish archives for supporting documents failed to find information on the Peralta grant in locations where such information was expected.
But a group of citizens who have created a small war museum want access to the Spanish military archives in Madrid.
However, it does not contain reference to any of the documents that have been unearthed since 1962 in the Italian, Spanish and English archives.
Fortunately, many duplicates are still extant in Spanish archives.
In 1888 it was discovered in the Spanish national archives.
Irving based them on extensive research in the Spanish archives, but also added imaginative elements aimed at sharpening the story.
A copy of the Relation was found in the Spanish archives 180 years later.
Although the fortress capitulated in 1825, Spanish archives for the 182os contain many reports by spies and plans to retake Mexico.
This will complement the already existing database of documents in Spanish archives relating to Latin America.