1. LKG Reference (shelfmark): LKG Title: Books and Publications Scope & Content: Books and drafts worked on by Koch, including background material for soundbooks. Some undated documents Collection Area: Sound Archive Languages: English and German Date Range: 1935-1955 Extent: 9 files
2. LKG1 Reference (shelfmark): LKG1 Title: Gefiederte Meistersanger [Feathered Mastersingers] Scope & Content: Book by Koch and Dr Ostar Heinroth Collection Area: Sound Archive Languages: German Date Range: 1935 Extent: 120 pages