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, Sir Zwinglius Frank Willis, Thomas Stearns Eliot and Reinhold Niebuhr. Includes material relating to the erection of a gravestone for John Baillie's cousin, Elizabeth Catherine Gallant, BBC broadcasts, biographical information on Alexander Martin, and a visit to France.