Author:Douglas Alexander Spalding
|←Author Index: Sp||Douglas Alexander Spalding
|Biologist and an early expert on animal behaviour|
Articles in Popular Science Monthly
- "Instinct in Young Birds", in Popular Science Monthly Volume 2, March 1873
- "The New Psychology", in Popular Science Monthly Volume 3, May 1873
- "Instinct and Acquisition", in Popular Science Monthly Volume 8, January 1876
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.