by Mcfarland, Ian
Published in Cambridge Dictionary of Christian Theology (2011)

Published in Britannica Encyclopedia of World Religions (2006)

by Marek, Rafał
Published in Krakowskie Studia z Historii Państwa i Prawa (2017)

by Marek, Rafal
Published in Krakowskie Studia z Historii Państwa i Prawa (2016)

by Maryukhno, N.
Published in HUMANITARIAN STUDIOS: PEDAGOGICS, PSYCHOLOGY, PHILOSOPHY (2021)

by Deno John Geanakoplos
Published in Greek, Roman and Byzantine studies (01.01.2003)

by Poliantseva A. V
Published in Naucnyj zurnal Kubanskogo gosudarstvennogo agrarnogo universiteta (29.04.2016)

by Romocea, Cristian
Published in Church and State (2012)

by Kent, Neil
Published in A Concise History of the Russian Orthodox Church (2022)

by Will, George F
Published in Newsweek (02.06.2008)

by Arnason, Johann P.
Published in Thesis eleven (01.08.2000)

by Toumanoff, Cyril
Published in Theological studies (Baltimore) (01.05.1946)

by Will, George F
Published in Newsweek (02.06.2008)

by Geanakoplos, Deno J
Published in Greek, Roman and Byzantine studies (01.07.1966)

by Arnason, Johann P
Published in Thesis eleven (01.08.2000)

by Vuković-Ćalasan, Danijela, Đoković, Rajka
Published in Religions (Basel, Switzerland ) (01.02.2023)

by Babii, Mykhailo
Published in Relihiĭna svoboda (02.01.2021)

by Alexandrovna Belyaeva, Evguenia, Aleksandrovna Venidiktova, Elena, Valievna Shamsutdinova, Dilbar
Published in Humanities & Social Sciences Reviews (15.11.2019)

by Gita Geremešová
Published in Annales scientia politica (01.06.2019)

by Russell, Norman
Published in International journal for the study of the Christian church (01.05.2012)