141. LKA2.6 Reference (shelfmark): LKA2.6 Title: How I became a bird man Scope & Content: Script and draft Collection Area: Sound Archive Languages: English Date Range: 1952 Extent: 8 folios
142. 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
143. 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
144. LKG5.2 Reference (shelfmark): LKG5.2 Title: Draft introduction Scope & Content: Draft introductory chapter 'How life began'. Undated document(s) Collection Area: Sound Archive Languages: English Date Range: Mid 20th century Extent: 9 folios
145. 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
146. 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
147. 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
148. LKF14 Reference (shelfmark): LKF14 Title: St. Gabriel's Magazine Scope & Content: Monthly magazine of St Gabriel, South Harrow Collection Area: Sound Archive Languages: English Date Range: 1960-1964 Extent: 16 volumes
149. LKB5 Reference (shelfmark): LKB5 Title: Correspondence with BBC regarding Koch's retirement Scope & Content: Correspondence with the BBC regarding his displeasure at forced retirement and recording ownership problems, and with other publishers regarding Koch's soundbooks Collection Area: Sound Archive Languages: English Date Range: 1948-1970 Extent: 70 folios
150. LKD12 Reference (shelfmark): LKD12 Title: Glass negative slides in Ilford box Scope & Content: Glass slide of male Sperbergrasmucke [Barred warbler] [German identification title]. Undated document(s) Collection Area: Sound Archive Languages: Not applicable Date Range: Mid 20th century Extent: 1 slide