History of the Clan Gregor: From Public Records and Private Collections; Compiled at the Request of the Clan Gregor Society; A. D., 878-1625. E-book. Formato PDF Amelia Georgiana Murray Macgregor   -  Forgotten Books, 2017  - 

Murder of John Drummond of Drummondernoch, September 1589 — Bond to pursue the clangregor for their alleged participation in this crime, taken from the Black Book of Taymouth — Details of the occurrence from the Register of the Privy Council.