Weights of various dog breeds were emphasized more often around the turn of the century than they are now. Classes offered at dog shows were designated by breed and sometimes further divided by weight such as light and heavy pointers and bull terriers.
Turf, Field and Farm, July 7, 1899
Tiny dogs were valued for their weight.
Dogdom, April 1916Dogdom, December 1918Dogdom, December 1918
The public was fascinated by the biggest and smallest dogs at a show being pictured together:
Fuertes, L.A. (1919). The book of dogs. Washington, D.C.: The National Geographic Society
Weights were often included in ads for individual dogs.
Dogdom, April 1916Dogdom, April 1916Dogdom, April 1916Dogdom, April 1916Classified ad in The Calgary Herald (Calgary, Alberta, Canada) · 6 Oct 1917, Sat · Page 19Dogdom, January 1919Dogdom, January 1919Dogdom, January 1919Dogdom, January 1919Dogdom, February 1919