11. LKA3.11 Reference (shelfmark): LKA3.11 Title: The language of animals - A Post script Scope & Content: Annotated script Collection Area: Sound Archive Languages: English Date Range: 1954 Extent: 8 folios
12. LKA3.12 Reference (shelfmark): LKA3.12 Title: Animal language Scope & Content: Notes for talk at Zoological Society, Regents Park Collection Area: Sound Archive Languages: English Date Range: 1946 Extent: 12 folios
13. LKA3.13 Reference (shelfmark): LKA3.13 Title: Animal language Scope & Content: Draft script and correspondence on updated transmission Collection Area: Sound Archive Languages: English Date Range: 1961 Extent: 17 folios