Title page: "Semper idem sed non eodem modo".
Volume II: Issues 6-10 (1923-1924).
Der Tonwille : pamphlets/quarterly publication in witness of the immutable laws of music, offered to a new generation of youth by Heinrich Schenker. ISBN 0195175182. Published by Oxford University Press in 2005. Publication and catalogue information, links to buy online and reader comments.