I don't think that would be possible as J B Coats timeline is earlier than Ralph Blizard's. He also wrote Where Could I Go But To The Lord and The Sweetest Gift, A Mother's Smile. I didn't do a thorough search, but it looks like 1940 and 1942 for those two songs, so if he was involved with the Zephyrs Of Heaven, I'd think it likely would be somewhere not too far from either side of that time frame.

I didn't find it in any of my song books dating to that era.