
According to Wikipedia, Georg Hendrik Witte was a Dutch professor, composer, royal and municipal music director, and director of the music association Essen'. In 1916, Steinway & Sons Hamburg published this booklet with his findings on the use of the Steinway Sostenuto pedal. It explains the possibilities of the third pedal using musical examples. We offer a PDF copy of this rare catalog (14 pages) for research purposes for EUR 25.00. If you are interested, please send us a request..