This ad was found in Billboard on August 18, 1906 on page 26. ( You can double click on the ad to make it enlarge so that it's readable. ) I'm not 100% sure what role The Campbell Bros. played in this but they were involved in trying to get the show sold and would keep Wm. P. Hall informed of every move. Wm.P. Hall did buy the Lemen Bros. Circus but not until May of 1909.