Sven Jorgenson (l) training copy 2.jpg
jpeg Self Defense manual S. Jorgenson c. 1937 Ritter Collection copy.jpg
Jorgensen, Shaking Down the Gunman book, 1938 copy.jpg
Jorgensen, 36 secret knock outs book, 1930 & 38 copy.jpg
jpegSPDtrainingschool sfd station 1938? copy.jpg
jpeg Academy Class No. 1 1938 1 of 2 Ritter Collection copy.jpg
jpeg Academy Class No. 1 1938 2 of 2 Ritter Collection copy.jpg
jpeg SPD training 1930's copy.jpg
jpegJoprgensen, Ladies Special self-defense book, 1969.jpg
jpegLuke May1, NPJ, Nov, 1930.jpg
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Sven Jorgenson (l) training copy 2.jpg
jpeg Self Defense manual S. Jorgenson c. 1937 Ritter Collection copy.jpg
Jorgensen, Shaking Down the Gunman book, 1938 copy.jpg
Jorgensen, 36 secret knock outs book, 1930 & 38 copy.jpg
jpegSPDtrainingschool sfd station 1938? copy.jpg
jpeg Academy Class No. 1 1938 1 of 2 Ritter Collection copy.jpg
jpeg Academy Class No. 1 1938 2 of 2 Ritter Collection copy.jpg
jpeg SPD training 1930's copy.jpg
jpegJoprgensen, Ladies Special self-defense book, 1969.jpg
jpegLuke May1, NPJ, Nov, 1930.jpg