1. Philatelic 20/12 Reference (shelfmark): Philatelic 20/12 Title: Ewen Collection: Railway Letter Stamps, H Scope & Content: This volume contains stamps, covers, related materials and provenance papers concerning the Highland Railway; Hull and Barnsley Railway Company. Collection Area: Philatelic Collections Languages: English Date Range: 1891-1912 Extent: 1 Volume
2. Philatelic 20/12/1 Reference (shelfmark): Philatelic 20/12/1 Title: Ewen Collection: Highland Railway Scope & Content: Railway letter stamps, covers and related material, provenance records and notes relating to the Highland Railway. Collection Area: Philatelic Collections Languages: English Date Range: 1891-1912 Extent: Section within volume.
3. Phiatelic 20/12/2 Reference (shelfmark): Phiatelic 20/12/2 Title: Ewen Collection: Hull and Barnsley Railway Company Scope & Content: Railway letter stamps, covers and related material, provenance records and notes relating to the Hull and Barnsley Railway Company. Collection Area: Philatelic Collections Languages: English Date Range: 1891-1912 Extent: Section within volume.