Critique of Pure MusicMichaela Meiser, Amy Shapiro M Ed, Oskar Adler · First published 2020Open the Tome
Testament of Astrology ~ 2 ~ : Sequence TwoOskar Adler, Amy Shapiro, Zdenka Orenstein · First published 2011Open the Tome
Testament of Astrology ~ 5 ~ : Sequence Five : Man in the Concert of the StarsOskar Adler, Zdenka Orenstein, Amy Shapiro · First published 2011Open the Tome
Testament of Astrology ~ 6 ~ : Sequence SixOskar Adler, Zendka Orenstein, Amy Shapiro · First published 2011Open the Tome
Testament of Astrology ~ 7 ~ : Sequence SevenOskar Adler, Zdenka Orenstein, Amy Shapiro · First published 2011Open the Tome
Testament of Astrology ~3~ : Sequence ThreeOskar Adler, Zdenka Orenstein, Amy Shapiro · First published 2011Open the Tome
The Testament of Astrology : Introduction to Astrology as an Esoteric Science : Sequence OneDr. Oskar Adler · First published 2011Open the Tome
C als Schlüssel zur sicheren Beherrschung des ganzen TonraumesOskar Fitz, Guido Adler Collection · First published 1942Open the Tome
Die Bedeutung der internationalen Musik- und Theater-Ausstellung in Wien für Kunst und Wissenschaft der MusikOskar Fleischer, Guido Adler, W. Oertel, E. Schlemo, Metternich-Winneburg, Pauline Clementine Marie Walburga (Sándor von Szlavnicza) fürstin von, Guido Adler Collection · First published 1892Open the Tome
