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, Mona Anderson, Bertram Christian, Henry Pitney Van Dusen and Henry Sloane Coffin. Also responses to John Baillie's tribute to Thomas Cockburn in The Scotsman and material relating to the International Missionary Council and to the wedding of Princess Elizabeth (now Elizabeth II).