- 1Reference: DV2/E30
Title: Houghton Regis. Based on OS sheet XXIX.14. Our OS reference equivalent OS25" 333
Level of description: item
Date Free Text: c1925
Production date: From: 1924 To: 1940 - 2Reference: DV2/F30b
Title: East of Houghton Regis. Based on OS sheet XXIX.15. Our OS reference equivalent OS25" 334
Level of description: item
Date Free Text: c1925
Production date: From: 1924 To: 1940