Location Source Date Page Caption Uniform Type
NBL, Cooperstown Spalding Guide 1917 Marshalltown Team - Champions Central Association Marshalltown m.l. Team
http://www.starsofthediamond.com/19zeepenner.JPG 1919 Zeenut PCL 1919 Zeenut Series 1919 - Penner Portland Portland (OR) m.l. Posed throwing - full length view
2000 CUPS OF COFFEE, Marc Okkonen (unpublished) 2002 draft 162 Penner, Kenneth William Chicago NL Head & upper chest
150 YEARS OF BASEBALL, Stephen Hanks et al. 1989 185 ...the Chicago Cubs are pictured on a pennant (bottom) Chicago NL Team composite
http://www.starsofthediamond.com/21zeepenner.JPG 1921 Zeenut 1921 Zeenut Series 1921 - Penner Sacto Sacramento m.l. Posed throwing - full length view
BASEBALL VISIONS OF THE ROARING TWENTIES, George Outland 2009 30 21. Ken Penner and Les Cook Sacramento m.l. Full length pose (group of 2)