- 1Reference: Z41/B
Title: Records of Bletchley Brick Company
Level of description: sub-fonds
Date Free Text: 1923 - 1929
Production date: From: 1923 To: 1929 - 2Reference: Z41/B1
Title: Ledgers
Level of description: series
Date Free Text: 1923 - 1929
Production date: From: 1923 To: 1929 - 3Reference: Z41/B1/1
Title: Private Ledger
Level of description: item
Date Free Text: 1923 - 1929
Production date: From: 1923 To: 1929