|←Author Index: He||Angelo Heilprin
|American naturalist, geologist, and traveler|
Articles in Popular Science Monthly
- "The Glaciers of Greenland", in Popular Science Monthly Volume 46, November 1894
- "A Student's Recollections of Huxley", in Popular Science Monthly Volume 48, January 1896
- "The Stone Forest of Florissant", in Popular Science Monthly Volume 49, August 1896
- "Our Present Knowledge of the Antarctic Regions", in Popular Science Monthly Volume 50, January 1897
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.