المؤلفون: Sosna, Grzegorz.

المساهمون: Troc-Soska, Antonina.

مصطلحات موضوعية: Orthodox Eastern Church -- Poland -- Biebrza River Valley -- History., Orthodox Eastern Church -- Narew River Valley (Belarus and Poland) -- History., Orthodox Eastern church buildings -- Poland -- Biebrza River Valley -- History., Orthodox Eastern church buildings -- Narew River Valley (Belarus and Poland) -- History.

جغرافية الموضوع: Biebrza River Valley (Poland) -- Church history., Narew River Valley (Belarus and Poland) -- Church history.