The Notebooks of Leonardo Da Vinci
Leonardo da VinciThe Aldine, Vol. 5, No. 1., January, 187
Various AuthorsThe American Architect and Building News, Vol. 27, Jan-Mar, 1890
Various AuthorsTextiles and Clothing
Kate Heintz WatsonPiano Tuning - A Simple and Accurate Method for Amateurs
J. Cree FischerCaruso and Tetrazzini on the Art of Singing
Enrico CarusoDie Italienische Plastik
Wilhelm Bode