I have been always trying to find out if Rand Mcnally Elf Books were translated into french, and only today I could get an answer. This series appeared under the name : Les Merveilleux
Contes De Faby. Here is one of the French books:
https://www.chapitre.com/BOOK/collectif/ma-mere-l-oie-collection-les-merveilleux-contes-de-faby,70599302.aspxI hope someone here, provides us with more information about the French version, its publisher , number of titles.
Any scans will be much appreciated as I am really interested in this series especially the books illustrated by - Marjorie Cooper - Elizabeth Webbe -
Here are some covers from the English copies: