Die elektrische beleuchtung / Dr. Ernst Hagen
La chimie industrielle moderne / Francis J.-G. Beltzer
La traction électrique sur voies ferrées : Voie, Matériel roulant, Traction / André Blondel; F. Paul-Dubois
Electrical and magnetic calculations for the use of electrical engineers and artisans, teachers, students, and all others interested in teh theory and application of electricity and magnetism / A. A. Atkinson