Vent window frame attachment

Those are correct .
The Allen head screw holds the vertical part of the frame and is accessed thru the little hole on your upper door . The one with the tiny plastic plug .
The sheet metal screw holds the wing window pivot .

not on at least this ‘63. The upper door does not have that little hole and plug. Those large bolt go in the hole where the Dart 270 badging goes. Look at the first picture carefully. These are in the front edge of the door typically covered by the weatherstrip that seals the vent frame to the windshield frame.