The Babi Question You Mentioned, Jelle deVries, p204
1947-04-05 to Van Bleyswijk Sombeek, re Esperantists
They are working for one of our greatest principles, and we certainly should associate with them. In Germany the Bahá’is published an Esperanto Magazine, and Martha Root represented the Cause at Esperanto congresses. We cannot say we are sure this language will be the international one, but we are anxious to see it spread as it fosters unity and understanding. By all means foster your contact with them.''
[on behalf of Guardian]