1940 John Deere Tractor Line 19 models shown in one ad!!!

This original 8.5 x 11" magazine ad is a true find because it shows 19 models of John Deere Tractors available in 1940.  Rarely do you find an ad that showcases the entire line like this one does. Models include the AO, BO, O, AR, BR, G, A, AN, AW, AWH, ANH, B, BN, BW, BNH, BWH, H, HN & L.