1937, 38, 39 file consists of:

letters, notes, press cuttings and related material

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 and related items, including letters from his wife Florence Jewel Baillie, his brother Donald Macpherson Baillie, Sir Edward Victor Appleton, Henry Pitney Van Dusen, Hugh Martin and Thomas Forsyth Torrance. Includes material relating the University of Edinburgh, clothing ration books, a paper on eschatology and items relating to an insurance claim due to illness.

Correspondence and related items, including letters from his wife Florence Jewel Baillie, his brother Donald Macpherson Baillie, Mona Anderson, Ian W Fraser, Sir Zwinglius Frank Willis and Henry Pitney Van Dusen. Includes material relating to the World Council of Churches and letters congratulating John Baillie on being appointed Principal of New College. Also includes a paper, 'The Idea of Orthodoxy'.

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.

Correspondence and related items, including letters from his wife Florence Jewel Baillie, his brother Donald Macpherson Baillie, Ifor Leslie Evans and Reinhold Niebuhr. Includes material relating to the estate of John Baillie's father-in-law, Richard Fowler.

Correspondence and related items, including letters from his wife Florence Jewel Baillie and Thomas Stearns Elliot. Includes material relating to his investments.

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.