Scobie. An old highland fencible corps: the history of the Reay Fencible Highland Regiment of Foot, or Mackay's Highlanders, 1794-1802, with an account of its services in Ireland during the rebellion of 1798. 1914. 413 p. :

https://archive.org/details/oldhighlandfenci00scobuoft

Very nice for Ireland 1798!