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, itineraries, press cuttings and related items, including letters from his brother Donald Macpherson Baillie, Mona Anderson, the Duke of Montrose, William Temple (the Archbishop of Canterbury), George Simpson Duncan, Lewis Legertwood Legg Cameron and Sir Neil John Kennedy Cochran-Patrick. Much of the correspondence relates to Church of Scotland business, particularly visits to churches and congregations as Moderator as well as to John Baillie's BBC radio broadcasts.

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.