The National Library of Scotland (Edinburgh) has the following:

Pedigree of the family of Mure of Caldwell showing its origin and connections with other families (1910) (1 sheet) (Consult in: GRR (George IV Bridge); stored in George IV Bridgel Shelfmark: H4.84.45.

Selections from the family papers preserved at Caldwell, edited by William Mure. (1854) Consult in: GRR (George IV Bridge); shelved in Reading Room; Shelfmark: Mait.Club.71

Caldwells of Lanark and other stories / by Jamieson, Elizabeth Leighton. (1973) Consult in: GRR (George IV Bridge); stored in George IV Bridge; Shelfmark: HP2.76.4

One hundred years of Caldwell : the story of Caldwell Parish Church, 1889-1989 / by Patricia M. Thomson. Consult in: GRR (George IV Bridge); stored in George IV Bridge; Shelfmark: H3.89.2375