1. Philatelic 20/29/1 Reference (shelfmark): Philatelic 20/29/1 Title: Ewen Collection: Sheffield and Midland Railways Company Scope & Content: Railway letter stamps, covers and related material, provenance records and notes relating to the Sheffield and Midland Railways Company. Collection Area: Philatelic Collections Languages: English Date Range: 1891-1912 Extent: Section within volume.