- Good Housekeeping 1938-07 2653 visits
- Good Housekeeping 1938-01 2182 visits
- Good Housekeeping 1938-02 2033 visits
- Scientific American 1902-12-27 1265 visits
- Armstrong Super-Regenerative Circuit Book -1922A 2588 visits
- Scientific American 1891-04-04 1438 visits
- Scientific American 1891-04-18 1625 visits
- Clapp-Eastham Receivers -1922A 1973 visits