VIAF, September 9, 2020 (Lezama Perier, Patxi Xabier, born Zalla, Biscaia, 1967, sculptor)
Wikipedia, September 13, 2020 (Patxi Xabier Lezama Perier, born 20 June 1967 in Zalla, Biscay; he is a Basque sculptor and author of the book entitled Mitología Vasca (Basque Mythology); Basque mythology has had a significant impact on his career as a sculptor and writer) https://en.wikipedia.org/wiki/Patxi_Xabier_Lezama_Perier
Email from author to National Library of Israel, September 3, 2020 (Hebrew name: פטקסי קסייה לזמה פריאר )