- 1Reference: Hi/PH1/11/1
Title: Progress
Level of description: item
Date Free Text: 9 November 1972
Production date: From: 1972 To: 1972 - 2Reference: Hi/PH1/11/2
Title: Progress
Level of description: item
Date Free Text: 13 December 1972
Production date: From: 1972 To: 1972 - 3Reference: Hi/PH1/11/3
Title: Progress
Level of description: item
Date Free Text: 18 January 1973
Production date: From: 1973 To: 1973 - 4Reference: Hi/PH1/11/4
Title: Progress
Level of description: item
Date Free Text: 20 February 1973
Production date: From: 1973 To: 1973 - 5Reference: Hi/PH1/11/5
Title: Progress
Level of description: item
Date Free Text: 1 March 1973
Production date: From: 1973 To: 1973 - 6Reference: Hi/PH1/11/6
Title: Progress
Level of description: item
Date Free Text: 30 March 1973
Production date: From: 1973 To: 1973 - 7Reference: Hi/PH1/11/7
Title: Progress
Level of description: item
Date Free Text: 1 Mary 1973
Production date: From: 1973 To: 1973 - 8Reference: Hi/PH1/11/8
Title: Progress
Level of description: item
Date Free Text: 29 May 1973
Production date: From: 1973 To: 1973 - 9Reference: Hi/PH1/11/9
Title: Progress
Level of description: item
Date Free Text: 25 June 1973
Production date: From: 1973 To: 1973 - 10Reference: Hi/PH1/11/10
Title: Progress
Level of description: item
Date Free Text: 23 July 1973
Production date: From: 1973 To: 1973