|←Author Index: Al||Nathan Allen
|Social Reformer, Health Advocate|
Articles in Popular Science Monthly
- "Physiological Basis of Mental Culture", in Popular Science Monthly Volume 6, December 1874
- "The Law of Human Increase", in Popular Science Monthly Volume 22, November 1882
- "Changes in New England Population", in Popular Science Monthly Volume 23, August 1883
Works by this author published before January 1, 1923 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.