Correspondence, press cuttings and related items, including letters from Reinhold Niebuhr, David Smith Cairns William Temple (the Archbishop of Canterbury), the Duke of Montrose and various publishers. Much of the correspondence relates to Church of Scotland business, including John Baillie's appointment as Moderator Designate of the General Assembly of the Church of Scotland and as Corresponding Member of the General Assembly of the Presbyterian Church in Ireland.

Correspondence and related items, including letters from his wife Florence Jewel Baillie, Reinhold Niebuhr, Lewis Legertwood Legg Cameron, Hector Hetherington and Frank Moore. Also material relating to John Baillie's appointment as Chaplain to the King.

Correspondence, press cuttings and related items, including letters from his brother Donald Macpherson Baille, Alexander Martin, Reinhold Niebuhr, Henry Sloane Coffin, William Temple (the Archbishop of Canterbury) and the Duke of Montrose. Much of the correspondence relates to John Baillie's appointment as Moderator Designate of the General Assembly of the Church of Scotland.