Territorial soldiering in the north-east of Scotland during 1759-1814 (1914) by John Malcolm Bulloch, 1867-1938:
https://archive.org/details/territorialsoldi00bullrich
https://archive.org/details/territorialsoldi00bulluoft
http://babel.hathitrust.org/cgi/pt?id=uc2.ark:/13960/t5j96cp7d
http://babel.hathitrust.org/cgi/pt?id=uc1.b4522107