1. LK Reference (shelfmark): LK Title: Ludwig Koch Papers Scope & Content: Broadcast scripts, Correspondence, photos, press cuttings, publications, notes and journals Collection Area: Sound Archive Languages: Dutch, English, French, German, and Icelandic Date Range: 1931-1988 Extent: 89 files
2. LKA Reference (shelfmark): LKA Title: Broadcasting Scripts Scope & Content: Drafts, scripts and correspondence for broadcast programmes by Ludwig Koch Collection Area: Sound Archive Languages: English, French, and German Date Range: 1939-1964 Extent: 13 files
3. 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
4. LKA11.1 Reference (shelfmark): LKA11.1 Title: Mein Kampf Scope & Content: Draft script and correspondence Collection Area: Sound Archive Languages: German Date Range: 1952 Extent: 10 folios
5. LKA11.2 Reference (shelfmark): LKA11.2 Title: Aufstellung uber samtliche vogelstimmensaufnahmen [List of bird recordings] Scope & Content: List of recordings Collection Area: Sound Archive Languages: German Date Range: 1936 Extent: 5 folios
6. 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
7. 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
8. LKB Reference (shelfmark): LKB Title: Correspondence Scope & Content: Correspondence with family, friends, colleagues and publishers. Some undated documents Collection Area: Sound Archive Languages: English and German Date Range: Mid 20th century Extent: 7 files
9. LKB1 Reference (shelfmark): LKB1 Title: Correspondence from family and friends Scope & Content: Correspondence from family and friends including letters and cards, and some brochures Collection Area: Sound Archive Languages: English and German Date Range: Mid 20th century Extent: 67 folios and 18 items
10. LKB1.1 Reference (shelfmark): LKB1.1 Title: Correspondence from family members Scope & Content: Correspondence, letters and postcards from friends, family and colleagues [some German] Collection Area: Sound Archive Languages: English and German Date Range: 1945-1967 Extent: 67 folios