Maurice Duruflé, in 1958, publishes "5 Improvisations by Charles Tournemire" - a reconstruction based on recordings. 03/1931 is the date of the "Te Deum" recording - see Polydor 561 050 or http://uk.youtube.com/watch?v=bqt2Fc9yeCU (Tournemire par lui même!, at St. Clotilde).