The Principle Of An International Auxiliary Language
Compiled by the Research Dept at the direction of the House of Justice, 1 Nov 79(?)
He was also very pleased to see the contact with the Esperantists is being maintained. This friendly co-operation with them, and attendance at their Congresses, is very good, and will no doubt bring the Bahá’í Cause to many of their members’ attention. Also, he hopes, it will lead to many of them becoming Bahá’ís in the future.
(24 March 1949 to an individual believer)