The papers of the Caldwell family comprise eight sub-subfonds:
- BAG/3/1-2: Sir James Caldwell (d. 1717), 1st Bart, 1637-1717;
- BAG/3/3: Sir Henry Caldwell (d. 1726), 2nd Bart, 1683-1716;
- BAG/3/4: Sir John Caldwell (d. 1744), 3rd Bart, 1721-44;
- BAG/3/5: Lady Ann Caldwell, Wife of Sir John Caldwell, 1738-81;
- BAG/3/6-28: Sir James Caldwell (d. 1784), 4th Bart, 1744-1801;
- BAG/3/29-33: Lady Elizabeth Caldwell, née Hort (d. 1778), 1748-78;
- BAG/3/34-44: Sir John Caldwell (d. 1830), 5th Bart, 1772-1830;
- BAG/3/45: Caldwell family miscellanea, 1574-1830.