The Earldom of Mar in Sunshine and in Shade During Five Hundred Years, with Incidental Notices of the Leading Cases of Scottish Dignities from the Reign of King Charles I Till Now, in Reply to an Address to the Peers of Scotland by Walter Henry Earl of Kellie, May 1879, Letters to the Lord Clerk Register of Scotland (George Frederick Earl of Glasgow, Lord Boyle, Etc.), by the Late Alexander Earl of Crawford and Balcarres, Lord Lindsay, Etc. (Published by Margaret Crawford and Balcarres.).