1. Egerton MS 497-500 Reference (shelfmark): Egerton MS 497-500 Title: Collection by Don Bernardo Yriarte of papers relative to the Revenues of Spain. 4 vols. Scope & Content: Collection by Don Bernardo Yriarte of papers relative to the Revenues of Spain. 4 vols. Collection Area: Western Manuscripts Languages: Spanish Date Range: 18th century-19th century Extent: 4 volume