41. LKA4.6 Reference (shelfmark): LKA4.6 Title: Birds in Britain no.39 - On being a young bird Scope & Content: Various drafts Collection Area: Sound Archive Languages: English Date Range: 1956 Extent: 41 folios
42. LKA4.7 Reference (shelfmark): LKA4.7 Title: Birds in Britain - The patient listeners Scope & Content: Drafts and correspondence including 1961 repeat Collection Area: Sound Archive Languages: English Date Range: 1956-1961 Extent: 23 folios
43. LKA4.8 Reference (shelfmark): LKA4.8 Title: Ludwig Koch remembers Scope & Content: Drafts, correspondence, notes and transcripts Collection Area: Sound Archive Languages: English Date Range: 1957 Extent: 91 folios
44. LKA5 Reference (shelfmark): LKA5 Title: Scripts Collection Area: Sound Archive Languages: English Date Range: 1958-1960 Extent: Approximately 220 folios
45. LKA5.1 Reference (shelfmark): LKA5.1 Title: Feathered mastersingers Scope & Content: Script, correspondence, and audience research report Collection Area: Sound Archive Languages: English Date Range: 1958 Extent: Approximately 100 folios
46. LKA5.2 Reference (shelfmark): LKA5.2 Title: Birds as mimics Scope & Content: Draft and correspondence Collection Area: Sound Archive Languages: English Date Range: 1959 Extent: 8 folios
47. LKA5.3 Reference (shelfmark): LKA5.3 Title: The resounding wood Scope & Content: Draft and correspondence Collection Area: Sound Archive Languages: English Date Range: 1959 Extent: 9 folios
48. LKA5.4 Reference (shelfmark): LKA5.4 Title: Musicians I have met Scope & Content: Drafts and correspondence Collection Area: Sound Archive Languages: English Date Range: 1959 Extent: Approximately 100 folios
49. LKA6 Reference (shelfmark): LKA6 Title: Scripts Collection Area: Sound Archive Languages: English Date Range: 1960-1964 Extent: 145 folios
50. LKA6.1 Reference (shelfmark): LKA6.1 Title: A world of sound Scope & Content: Script and draft Collection Area: Sound Archive Languages: English Date Range: 1960 Extent: 8 folios