1. JBA3.15 Reference (shelfmark): JBA3.15 Title: Amphibian Discographies Scope & Content: Annotated copy of ‘Discography of Amphibian Sounds’ Ron Kettle in collaboration with Jeffery Boswall (Revised 20 July 1980). Letters to and from: Ulrike Thiede, Paul Van Den Elzen. Collection Area: Sound Archive Languages: English Date Range: 1980 Extent: 1 folder and 4 loose items