OGAM -Tradition Celtique - 1958 - N°55

Ogam, or Ogam Celticum was, a three monthly historical magazine, mainly in French but sometimes with annexes in Breton, published between 1948 and 1986. It was created in Rennes by Pierre Le Roux, his daughter Françoise Le Roux and Kerverzhioù, dealing with Celtic linguistics and archeology. Christian-Joseph Guyonvarc'h wrote articles in it on ancient Celts.