Coat of arms of the Archdiocese of Cagayan de Oro, 1950
The Coats-of-Arms of the Ecclesiastical Jurisdictions in the Philippines: Part I - The Metropolitan Sees
Most Rev. Mariano Madriaga D.D.
Philippine Studies vol. 5, no. 2 (1957): 177–189

http://philippinestudies.net/ojs/index.php/ps/article/viewFile/3218/5757
Most Rev. Mariano Madriaga D.D., Bishop of Lingayen-Dagupan

Digital Reconstruction by Trajano Dagala Cabrales with elements from Heralder's works