1. 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
2. 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
3. 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
4. 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