Ernest Henry Shackleton correspondence:
- MS 1619/1/1;D Letter, 16 May 1914 [From London] autograph
- MS 1619/1/2;D Letter, 30 May 1914 [From London] autograph
- MS 1619/1/3;D Letter, 22 June 1914 [From London] autograph
- MS 1619/1/4;D Letter, 1 July 1914 [Letter sets out in detail the terms of Clark's engagement to the Imperial Trans-Antarctic Expedition, 1914-1916] autograph
- MS 1619/1/5;D Letter, 14 July 1914, autograph
- MS 1619/1/6;D Letter, 17 July 1914, autograph
- MS 1619/1/7;D Telegram, 30 July 1914
- MS 1619/2/1;D Letter, 1 January 1920, holograph
- MS 1619/2/2;D Letter, 20 April 1921, holograph
- MS 1619/2/3;D Letter, 4 June 1920, holograph
- MS 1619/2/4;D Telegram, 18 July 1921
- MS 1619/2/5;D Telegram, 20 July 1921
- MS 1619/2/6;D Telegram, 28 July 1921
- MS 1619/2/7;D Telegram, 8 August 1921
Robert Mossman correspondence:
- MS 1619/5/1;D Letter, 23 August 1919, holograph
- MS 1619/5/2;D Letter, 9 January 1920, autograph
- MS 1619/5/3;D Letter, 17 March 1920, autograph
- MS 1619/5/4;D Letter, 26 March 1920, autograph
George Wilkins correspondence:
- MS 1619/6/1;D Letter, 14 August 1921, London, holograph
- MS 1619/6/2;D Letter, London, 9 September 1921, autograph
- MS 1619/6/3;D Telegram, 22 September 1921
- MS 1619/6/4;D Telegram, Plymouth, 13 September 1921
Frank Worsley correspondence:
- MS1619/7/1;D Telegram, 27 May 1921
- MS 1619/7/2;D Letter, 17 June 1921, holograph
- MS 1619/7/3;D Letter, 6 July 1921, holograph
- MS 1619/7/4;D Letter, 14 June 1921, holograph
- MS 1619/7/5;D Letter, 23 July 1921, holograph
- MS 1619/7/6;D Letter, 4 August 1921, holograph
- MS 1619/7/7;D Letter, 30 August 1921, typescript
- MS 1619/7/8;D Telegram, 3 September 1921
Alexander Macklin correspondence:
- MS 1619/8/1;D Letter, 27 March 1921, holograph
- MS 1619/8/2;D Letter, 1 April 1921, autograph
- MS 1619/8/3;D Letter, 4 April 1921, holograph
- MS 1619/8/4;D Letter, 12 April 1921, holograph