File #619247: Original images: ca.180dpi color jpg files approx. 2000 by 2490 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins.. File #898464: Original images: ca.300dpi, color jpg files approx. 3380 by 4220 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins.