6 Duets Vol. 1 (No. 1-3) by Johann Joachim Quantz
For two flutes
Edited by Nikolaus Delius
Published by Schott
Includes score and second flute part
First published in 1759, Quantz himself gave a three page introduction of the performance and compostion of them, along with their usefulness for teaching purposes. He considered them as a supplement to his treatise “On Playing the Flute”.
This volume has 1) G-major | 2) a-minor | 3) b-minor