SilentComedyMafia.com

Here's another harder-to-see Larry Semon making good use of Vitagraph's Paradise Alley backlot set, released May 23, 1921, directed and written by Larry Semon and Norman Taurog, featuring Larry with Oliver Hardy, Norma Nicholls, Frank Alexander, Eva Thatcher, Bill Hauber, and Pete Gordon (but NOT Stan Laurel as some early filmographies listed):

https://www.youtube.com/watch?v=vpRE342ied0

RICHARD M ROBERTS