1.		Messungen an elektrischen maschinen : apparate, instrumente, methoden, schaltungen / Rudolf Krause Autor: Krause, Rudolf Data Publicação: 1903
2.		Traité pratique des installations d'éclairage électrique / Henri Boy de la Tour; MM. Herzog et Feldmann Autor: Tour, Henri Boy de la, Ingénieur Data Publicação: 1903
3.		Rhéostats : de démarrage et de réglage pour moteurs & générateurs électriques; théorie, construction, montage / Rudolf Krause; trad. P. Bénard Autor: Krause, Rudolf Data Publicação: 1903
4.		Electrical engineering measuring instruments for commercial and laboratory purposes / G. D. Aspinall Parr Autor: Aspinall Parr, G. D. Data Publicação: 1903
5.		Standard wiring for electric light and power : as adopted by the fire underwriters of the United States containing national electrical code / H. C. Cushing, Jr Autor: Jr., H. C. Cushing, Member American Institute of Electrical Engineers Data Publicação: 1903