Repository: Library of Congress, Prints and Photographs Division, Washington, D.C. 20540 USA, hdl.loc.gov/loc.pnp/pp.print
Photo from between ca. 1910 and ca. 1915William Lewis Shurtleff, K.C., LL.D., (March 29, 1864 - 1954) was a Quebec lawyer and newspaper owner. He was the defense lawyer for Harry Kendall Thaw during his extradition trial in 1913. See: en.wikipedia.org/wiki/Harry_Kendall_Thaw The Buffalo Morning Express called him "one of the leading lawyers in Canada".