Nikola Tesla - From Colorado to Long Island: Research Notes - Colorado Springs 1899-1900 - New York 1900-1901 by Nikola Tesla
Nikola Tesla: Lecture Before the New York Academy of Sciences April 6, 1897: The Streams of Lenard and Roentgen and Novel Apparatus for Their Production by Nikola Tesla and Leland I. Anderson
The Tesla High Frequency Coil: Its Construction and Uses by Elmer Tiling Cunningham and George Francis Haller
