File #527245: Original images: ca.500dpi, color jp2 files approx. 3335 by 4970 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins. File #527380: Original images: ca.350dpi, color jp2 files approx. 2350 by 3500 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins.