::Well, I just stepped over the the Baha'i Encyclopedia Project page, and Abbas Effendi is what is used there, that's a final answer for me.  http://www.bahai-encyclopedia-project.org/index.php?option=com_content&view;=article&id;=81:abdul-baha-abbas-1844-1921&catid;=36:administrationinstitutions&Itemid;=76