File #508525:Original images: ca.500dpi, color jpg files approx. 5700 by 7355 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins. File #508897: Original images: ca.500dpi, color jpg files approx. 4500 by 6000 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins.