Where was the term “Watsonian” first used?

This week’s Watsonian Weekly sets the year for the first use of the term Watsonian in a John H. Watson context as 1914. Do you know of an earlier use? If so, let us know at podcast@johnhwatsonsociety.com . But give us a listen in any case!
https://watsonianweekly.libsyn.com/november-9-2020-president-watson-and-the-first-watsonian