1-62. Overprinted stamps of Great Britain, 1922,23.48 Forged overprints: J.E. Foley, “Introduction to Irish Philately: Forged and bogus material”, Stamp Magazine (U.K.), Vol. 38 (June 1972): 52,53. See series and individual stamps below for more citations.
1-14. Dollard overprints. Forged overprints: Erie Philatelic Association Committee on Forged and Bogus Material, “The Dollard Five Line Overprint”, The Revealer, Vol. 22 (Fall 1971): 802-5. Forged overprints on high value stamps: Erie Philatelic Association Committee on Forged and Bogus Material, “Dollard Four Line High Value”, The Revealer, Vol. 21 (Winter 1970-71): 750-51. Bogus overprint on 1/: Anon., “Fakes And Forgeries”, The Revealer, Vol. 18 (October-December 1967): 673.
15-18, 23-35. Thom overprints. Forged overprints: Joseph E. Foley, “Faked Overprints”, The Revealer, Vol. 21 (Fall 1970): 739.
36-38. Thom narrow five-line overprint, 1922. Forged overprint: Report of Committee on Forged and Bogus Material of Eire Philatelicc Associates, The Revealer, Vol. XXIV (July 1974): 932.
58. 10/, 1922. Forged double overprint: H.G. Leslie Fletcher, “The ‘Double’ Overprint On The 10/ Waterlow”, The Revealer, Vol. 18 (October-December 1967): 666-70.
555. ₤1 Cahir Castle definitive, 1982. Postal forgery: Varro Tyler, Linn’s Focus on Forgeries: A Guide to Forgeries of Common Stamps, Revised, Expanded Edition, p.139. William P. Fletcher, “Ireland: £1 Architecture Forgery of 1984”, Gibbons Stamp Monthly (Second Series), Vol. 23 (March 1993): 52,53.
644. Anon. “Irish Postal Forgeries”, The American Revenuer, Vol.39 (November-December 1985): 173.
Madame Joseph fraudulent postmark, 13 OCT/ 22. Derek Worboys and Roger B. West, Madame Joseph Forged Postmarks, p.61.