By A Mystery Man Writer
Eastern Catholic Churches: An Overview of Eastern Christian Churches in Full Communion with the Pope and the Catholic Church, PDF, Catholic Church
Infobox from the biography article of Simone de Beauvoir on Wikipedia.
Two-barred cross - Wikipedia
Christian cross variants - Wikipedia
Ecumenical Patriarch of Constantinople - Wikiwand
Cross - Wikimedia Commons
File:Cross of the Russian Orthodox Church 01.svg - Wikipedia
Coburan Apostolic Tewahedo Church, Particracy Wiki
If the medical cross is not related to the Christian cross, would it be a plus sign, symbolical to adding life? - Quora
Jordan Church Records • FamilySearch
Patriarchal cross, Religion Wiki
THE CAPITÃES MORES OF THE JAPAN VOYAGE: A GROUP PORTRAIT, International Journal of Asian Studies