Irish Seal-Matrices and seals : by E. C. R. Armstrong

Eitemau Tebyg

• The little book of Irish clans
  gan: Grenham, John
  Cyhoeddwyd: (2005)
• The History of the seal of the United States
  gan: Hunt, Gaillard
  Cyhoeddwyd: (1909)
• Catalogue of the coins, tokens, medals, dies and seals in the Museum of the Royal Mint
  Cyhoeddwyd: (1910)
• Catalogue of the coins, tokens, medals, dies and seals in the Museum of the Royal Mint
  gan: Hocking, William John
  Cyhoeddwyd: (1910)
• State names, flags, seals, songs, birds, flowers, and other symbols : a study based on historical documents giving the origin and significance of the state names, nicknames, mottoes, seals, flags, flowers, birds, songs, and descriptive comments on the capitol buildings and on some of the leading state histories, with facsimiles of the state flags and seals
  gan: Shankle, George Earlie
  Cyhoeddwyd: (1975)