A study of twentieth-century harmony =Rene . Lenormand · First published 1915 · Latest edition 1941Open the Tome
A study of twentieth-century harmony = E tude sur l'harmonie moderneRene Lenormand · First published 1915Open the Tome
Étude sur l'harmonie moderneRené Lenormand, Rene Lenormand, Mosco Carner · First published 1912Open the Tome
