1. Egerton MS 501-502 Reference (shelfmark): Egerton MS 501-502 Title: Collection by Don Bernardo Yriarte of papers relative to the agriculture of Spain. 2 vols. Scope & Content: Collection by Don Bernardo Yriarte of papers relative to the agriculture of Spain. Collection Area: Western Manuscripts Languages: Spanish Date Range: 18th century Extent: 2 volumes