Correspondence, itineraries, press cuttings and related items, including letters from his wife Florence Jewel Baillie, his brother Donald Macpherson Baillie, Mona Anderson, Henry Sloane Coffin, William Temple (the Archbishop of Canterbury), Violet Markham, John H Duncan, George Freeland Barbour and Cyril Forster Garbett (the Archbishop of York). Subjects include John Baillie's BBC broadcasts and Church of Scotland and YMCA matters.

Correspondence and related items, including letters from his wife Florence Jewel Baillie, his brother Donald Macpherson Baillie and George Kennedy Allen Bell. Also material relating to engagements in the United States, New Zealand and Australia, YMCA and World Council of Church matters and John Baillie's honorary degree from Muhlenberg College.

Correspondence, press cuttings and related items, including material relating to the Ridell Memorial lectures and the Edinburgh Famine Relief Committee and letters from his wife Florence Jewel Baillie, his brother Donald Macpherson Baillie, Arnold Joseph Toynbee, publishers and individuals within the YMCA.

Correspondence and related items, including letters from his wife Florence Jewel Baillie, his brother Donald Macpherson Baillie, Mona Anderson, Bertram Christian, Leslie Bannister Walton, William Alexander Curtis, (Henry) Christopher Dawson and Sir Zwinglius Frank Willis (YMCA)

Correspondence and related items received by John Baillie while he was in France with the YMCA, from friends, colleagues in others in (mostly) Britain, the United States and Canada and including the solicitors handling Richard Fowler's estate, his cousin Elizabeth Catherine (Elsa) Gallant, his brother Donald Macpherson Baillie, his cousin Ian Anderson, Reinhold Niebuhr, George Freeland Barbour and various publishers.