The First Letter of Archbishop Anthony (Khrapovitskii) to Robert H. Gardiner Archbishop Anthony (Khrapovitskii)
History of the Russian Orthodox Church Outside Russia from Its Beginning to the Present. Part V, Chapter 4. The Church Abroad & the Non-Orthodox Churches Gernot Seide
The Russian Church Abroad, the Moscow Patriarchate, and Their Participation in Ecumenical Assemblies during the Cold War, 1948-1964 Andrei Psarev, Nadieszda Kizenko
The Pre-Revolutionary Russian Clergy Outside Russia: Ecumenism Before the Ecumenical Movement Archimandrite Kiprian (Kern)
On the Question of the Order of Reception of Persons into the Orthodox Church, Coming to Her from Other Christian Churches Archimandrite Ambrose (Pogodin, +2004)