LOC: Original images: ca.400dpi color tif files approx. 3920 by 5090 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins. NYPL: Original images: ca.500dpi color tif files approx. 4815 by 5715 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins.