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.

Broadcast by John Baillie of his sermon given to the YMCA at Bristol Cathedral, examining aspects of history with particular reference to puting Isaiah ito context.

Broadcast by John Baillie of his address to the YMCA, Paisley, touching on Scottish Presbyterianism, the relationship between religion and science and other aspects of Christianity.