Letters from statesmen and others congratulating Birdwood on his actions, including letters from Austen and Neville Chamberlain, Winston Churchill, Lord Curzon, the Viceroy of India (1931), Maurice A Hankey, Lord Hardinge of Penhurst, David Lloyd George, the Portuguese Government, Lancelot Stoer,...
Miscellaneous correspondence with friends and well wishers including letters written, on Birdwood's appointment as Master of Peterhouse, Cambridge (1931).
Letters from various people including Lord Jellicoe, the Australian High Commissioner to Britain (1936), the New Zealand High Commissioner to Britain (1939), the Australian Prime Minister (1936) and others remembering the Gallipoli Campaign, and discussing Australian/New Zealand matters.