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, addresses, invitations, itineraries, leaflets, brochures, travel documentation, press cuttings and other items relating to the trip taken by John Baillie and his wife to Australia, New Zealand and the United States in 1948. Includes material relating to the Presbyterian Church of New Zealand and letters from John McIntyre, St Andrews College, Sydney.