File #539401: Original images: ca.300dpi, grayscale tif (from pdf) files approx. 2010 by 3190 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins. File #932918: Original images: ca.350dpi, color jpg files approx. 2220 by 3385 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins.