Popular Science Monthly/Volume 91
(Redirected from Popular Science Monthly/Volume 91/August 1917)
| PAGE | |
| July 1917 | |
| First entry | |
| August 1917 | |
| Lo, the Soya Bean! A Substitute for Meat, Fish and Fats | |
| September 1917 | |
| October 1917 | |
| November 1917 | |
| December 1917 | |