| title | ISBN-13 | year of publication |
|---|---|---|
| Official Radio Service Manual and Complete Directory of All Commercial Wiring Diagrams, 1930: Prepared Especially for the Radio Service Man | 978-0-911572-39-1 | 1985 |
| Radio-Craft: 50 Years of Radio: March 1938 | 978-0-911572-66-7 | 1987 |
| Ralph 124C 41+: A Romance of the Year 2660 | 978-0-8032-7098-5 | 2000 |
| Wireless & Electrical Cyclopedia: Catalog No. 20, 1918, Electro Importing Company | 978-1-5192-1166-8 | 2015 |
H.G. · Hagai Gringarten · Hajo Geurink · Hugo Gering · Hugo Göring · Hugo Goring · Hugo Gorringe
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