- Schonger, George
- , Erfurth, son of the above, modelled his instruments in the Italian style and produced some very superior examples.
Violins and Violin Makers Biographical Dictionary of the Great Italian Artistes, their Followers and Imitators, to the present time. With Essays on Important Subjects Connected with the Violin. — London, LONGMAN AND CO., PATERNOSTER ROW.. Joseph Pearce. 1866.