Abbot Amadeus de Bie (1844-1920), Abbot General of the Cistercian Order from 1900 to 1920.
Unknown, work is public domain since man in photo died in 1920.
before 1920 <div style="display: none;">date QS:P,+1920-00-00T00:00:00Z/7,P1326,+1920-00-00T00:00:00Z/9</div>, since man in photo died 1920.
Archives of the Cistercian Abbot General, in Rome.