Author:John Perry
Works
[edit]
Some or all works by this author were published before January 1, 1930, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.
Public domainPublic domainfalsefalse
Categories:
- 1850 births
- 1920 deaths
- Authors-Pe
- British authors
- Early modern authors
- Educators as authors
- Electrical engineers as authors
- Engineers as authors
- Fellows of the Royal Society
- Inventors as authors
- Male authors
- Mathematicians as authors
- Modern authors
- PSM contributors
- Physicists as authors
- Scientists as authors
- Author-PD-old