31. LKA4.2 Reference (shelfmark): LKA4.2 Title: Insects as musicians Scope & Content: Script and draft Collection Area: Sound Archive Languages: English Date Range: 1956 Extent: 10 folios
32. LKA4.3 Reference (shelfmark): LKA4.3 Title: Songbirds as primadonnas Scope & Content: Draft Collection Area: Sound Archive Languages: English Date Range: [1956] Extent: 3 folios
33. LKA4.4 Reference (shelfmark): LKA4.4 Title: Animals as comics Scope & Content: Various drafts Collection Area: Sound Archive Languages: English Date Range: [1956] Extent: 13 folios
34. LKA4.5 Reference (shelfmark): LKA4.5 Title: Cats on the tiles Scope & Content: Various drafts Collection Area: Sound Archive Languages: English Date Range: 1956 Extent: 11 folios
35. 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
36. 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
37. 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
38. 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
39. 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
40. 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