The Irish Machabean |, On February 25, 2018, the Brazilian-based Plinio Corrêa de Oliveira Institute sent a letter to Joseph Cardinal Zen Ze-kiun in support of the heroic persecuted Catholics of the underground Church in China. The text of the letter can be found below. Those who wish to add their name to this letter of support may do so at this link. His Eminence Joseph Cardinal Zen Ze-kiun Your Eminence, The Plinio Corrêa de Oliveira Institute, a civic association that continues the work of the distinguished profess.