Hope you don't mind my butting in on this thread, but I have found a write-up on E.E. Popplewell (Elbert Eastman) and Mellisa Kathryn Popplewell in Vol. II of The History of Grayson County Texas, p. 355. The article mentions a picture of him with his father and his horse and wagon in the museum in Sherman. Good luck in your search! Donna Boyd