Early life
http://www.explorehoward.com/blog/drivers-seat/323/showalters-father-grandfather-set-high-standards/
http://www.explorehoward.com/blog/drivers-seat/323/showalters-father-grandfather-set-high-standards/Stampede 1940-1949 : Stampede Staff : Free Download, Borrow, and Streaming : Internet Archive
https://archive.org/stream/stampede1949stam#page/46/mode/2up/search/showalter