Wanted 1936 Dodge door latches

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I need 4 door latches to fit a '36 Dodge 4 door sedan. The same latches fit all other cars except the 2 doors and 7 passenger. I need the one in the left of the photo. i think the right one is for the 2 doors but I'm not sure. I'm curious about the small spring loaded latch on the right one, doesn't look safe. I also need one door dovetail for the one on the left or 4 dovetails for the right one. The right latch is slightly taller than the left. Any help or info is greatly appreciated. Thanks!