Soon after being ordained as a priest, he took up ethnographic studies of Basque culture and archeology around 1916 in the
Aralar Mountains. He carried out invaluable research into folk traditions and collecting accounts and tales related to
Basque mythology. His contribution to the paleontological study of the Basque people. Magismo, which presented in Bilbao in 1919, strongly interested the great ethnologist
Wilhelm Schmidt, founder of the magazine
Anthropos in Vienna. This offered him the position of correspondent for Spain and invited him to participate in the International Week of Religious Ethnology that was going to be celebrated in the Dutch town of Tilburg in 1922. There he delivered his communication . When the
Spanish Civil War began, he had to go into exile in September 1936, considered a suspect simply because of his dedication to Basque culture. In 1953, he returned from exile and opened at the
University of Salamanca, at the request of its rector, Don
Antonio Tovar, the Larramendi Chair with a course on the current state of Basque studies. The following year, within the
Aranzadi Science Society, he created the Ethnology Seminar and, after twenty years of interruption, in 1955, published volume XV of the
Eusko Folklore Yearbook, with studies on pastoral and agricultural life followed by others dedicated to popular industries and crafts. ==Awards==