A leaf with an illustration, or other printed
matter, on both sides, attached along its edges to
a larger leaf provided with an opening or "window"
so that the image area on both sides of the
smaller leaf is visible. (156 )
all CoOL documents]
Timestamp: Saturday, 19-Nov-2011 13:18:46 PST
Retrieved: Wednesday, 19-Dec-2018 13:37:56 GMT