References for Hugh 4th Earl Montgomerie * of Eglinton
Sir B.Burke:
The Dormant and Extinct Peerage.
London, 1866
Sir B.Burke:
Burke's Peerage and Baronetage.
London, 1999
D.Schwennicke:
Europäische Stammtafeln, Vol. III/4, Tafel 641.
Marburg, 1989