| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Harmonic Materials in Tonal Music - A Programed Course, Part 2 - Text Only by Steinke, Greg A | 978-O-13-O382O8-5 (O-13-O382O8-6) |
H.G. · O. G. · P.G. · "P. H." · Paul G. · Paul Harder · Paul O. · Paul O. Harder