USBN #202 December 1947 p2
The long Healing Prayer translated by Dr. Khan and his daughter is authentic. As it is one which, when rendered into English, loses much of its rich imagery, he does not feel it is suitable at present for inclusion in a prayer book, as non-Baha 'is might find it rather strange
–October 25, 1947.
[This is a reference to the typescript version that was passed around]