Bibliography

Resources found in the Smithsonian National Postal Museum Library are:

• Hill, James A. The Overprinted Stamps of Ireland. West Yorkshire, Eng.: Harry Hayes, 1976. HE6185.I6H646 1976.
• Feldman, David. Handbook of Irish Philately. Dublin: D. Feldman, Ltd. 1968. HE6185.I62F4X 1968.
• Meredith, W. G. The Postage Stamps of Ireland 1922 – 1927. London: W. Meredith 1928. HE6185.I62M47X 1928.
• Scott Catalogue Volume 3: Countries G - I. Sidney, OH: Scott Publishing Company, 2009.