1. LKA2 Reference (shelfmark): LKA2 Title: Scripts Collection Area: Sound Archive Languages: English Date Range: 1950-1953 Extent: 99 folios
2. LKA3 Reference (shelfmark): LKA3 Title: Scripts Collection Area: Sound Archive Languages: English Date Range: 1946-1961 Extent: 183 folios
3. LKA4 Reference (shelfmark): LKA4 Title: Scripts Collection Area: Sound Archive Languages: English Date Range: 1956-1957 Extent: 198 folios
4. LKA5 Reference (shelfmark): LKA5 Title: Scripts Collection Area: Sound Archive Languages: English Date Range: 1958-1960 Extent: Approximately 220 folios
5. LKA6 Reference (shelfmark): LKA6 Title: Scripts Collection Area: Sound Archive Languages: English Date Range: 1960-1964 Extent: 145 folios
6. LKA1 Reference (shelfmark): LKA1 Title: Pre- 1950 Scripts Collection Area: Sound Archive Languages: English Date Range: 1939-1949 Extent: 89 folios
7. LKA7 Reference (shelfmark): LKA7 Title: Undated scripts Scope & Content: Undated document(s) Collection Area: Sound Archive Languages: English Date Range: Mid 20th century Extent: 43 folios
8. LKB3 Reference (shelfmark): LKB3 Title: Official letters Scope & Content: Correspondence regarding messages to royalty, stocks and shares, talks to schools, book publishers, Harrow philarmonic choir, solicitors over loss of recordings in post, Royal photographic society Collection Area: Sound Archive Languages: English Date Range: 1933-1968 Extent: 44 folios and 3 envelopes
9. LKA11 Reference (shelfmark): LKA11 Title: German Service broadcasts Scope & Content: Some undated documents Collection Area: Sound Archive Languages: English and German Date Range: 1936-1953 Extent: 154 folios
10. LKE2 Reference (shelfmark): LKE2 Title: Notebook Scope & Content: Thin red notebook containing handwritten notes made by Koch about his recordings, and expenses Collection Area: Sound Archive Languages: English Date Range: 1953 Extent: 1 volume