The Guadagnini Family of Violin Makers - Ernest N. Doring, Stewart Pollens - Google Books

https://books.google.de/books?id=75MA1mmdIDEC&pg=PA119&lpg=PA119&dq=nathan+abas+1917&source=bl&ots=2ohmqQUFN3&sig=FzTqLM2KuP2eit

Along with the instruments of Stradivari and del Gesù, the violins of Giovanni Battista Guadagnini have long been favored by professional musicians for their responsiveness, tonal quality, and projection. Originally published in 1949 in a very limited…