"Progressive proof book (accordian-style) illustrating the process of creating the chromolithograph of the "Barefoot Boy". At head of title: Prang's American chromos. Title from paper label on the front pastedown. Cover title: The Barefoot Boy. "Entered according to act of Congress, in the year 1868, by L. Prang & Co., in the clerk's office of the District Court of the District of Mass."