File #588474: Original images: ca.200dpi, color tif (from pdf) files approx. 1810 by 2565 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins. File #863065: Original images: ca.400dpi, color tif files approx. 3880 by 4985 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins.