Padraig O. Snodaigh, 1935- . The Irish volunteers 1715-1793: a list of the units. 1995. 88 p. :

Irish Volunteers (18th century): https://en.wikipedia.org/wiki/Irish_Volunteers_(18th_century)

The Volunteer's Companion. 1794. : Gale

The Ulster Volunteers of '82: Their Medals, Badges, &c. Gillball Volunteers in the Ulster Journal of Archaeology, Second Series, 1898-1901:

1898: Vol. 4:
pp. 73-85: https://archive.org/details/ulsterjournalofa04ulstiala/page/73
pp. 152-159: https://archive.org/details/ulsterjournalofa04ulstiala/page/152
pp. 255-258: https://archive.org/details/ulsterjournalofa04ulstiala/page/255

1899: Vol. 5:
pp. 23-24: https://archive.org/details/ulsterjournalofa5189ulst/page/n30
pp 92-95: https://archive.org/details/ulsterjournalofa5189ulst/page/n101
pp. 218-219 : https://archive.org/details/ulsterjournalofa5189ulst/page/218

1900: Vol. 6:
pp. 34-38: https://archive.org/details/ulsterjournalofa6190ulst/page/n39

1901: Vol 7:
pp 97-102: https://archive.org/details/ulsterjournalofa7190ulst/page/n104