51. LKA2.8 Reference (shelfmark): LKA2.8 Title: The language of monkeys and apes Scope & Content: Script and draft Collection Area: Sound Archive Languages: English Date Range: 1953 Extent: 8 folios
52. LKA10.1 Reference (shelfmark): LKA10.1 Title: Les Memoirs de Ludwig Koch Scope & Content: Correspondence, scripts and drafts Collection Area: Sound Archive Languages: French Date Range: c 1950-1958 Extent: 37 folios
53. LKA7.3 Reference (shelfmark): LKA7.3 Title: Birds and their song' Scope & Content: Typed draft. Undated document(s) Collection Area: Sound Archive Languages: English Date Range: Mid 20th century Extent: 2 folios
54. LKA11.5 Reference (shelfmark): LKA11.5 Title: Fruhlings-musik [Spring music] Scope & Content: Various drafts [German]. Undated document(s) Collection Area: Sound Archive Languages: German Date Range: Mid 20th century Extent: 60 folios
55. LKA11.6 Reference (shelfmark): LKA11.6 Title: Katzen-musik [Cat music] Scope & Content: Various drafts [German]. Undated document(s) Collection Area: Sound Archive Languages: German Date Range: Mid 20th century Extent: 14 folios
56. LKA11.3 Reference (shelfmark): LKA11.3 Title: Birdsong as a musical inspiration Scope & Content: Draft scripts and correspondence Collection Area: Sound Archive Languages: English Date Range: 1945-1953 Extent: 24 folios
57. LKA7.5 Reference (shelfmark): LKA7.5 Title: The birth of a bird Scope & Content: Typed draft. Undated document(s) Collection Area: Sound Archive Languages: English Date Range: Mid 20th century Extent: 2 folios
58. LKA7.7 Reference (shelfmark): LKA7.7 Title: Is the mute swan mute? Scope & Content: Typed draft. Undated document(s) Collection Area: Sound Archive Languages: English Date Range: Mid 20th century Extent: 2 folios
59. LKA7.14 Reference (shelfmark): LKA7.14 Title: The blackbird has no peer Scope & Content: Typed draft. Undated document(s) Collection Area: Sound Archive Languages: English Date Range: Mid 20th century Extent: 2 folios
60. LKA1.1 Reference (shelfmark): LKA1.1 Title: Country home hour: Meet the birds Scope & Content: Script and draft Collection Area: Sound Archive Languages: English Date Range: 1939 Extent: 6 folios