Photographic Lenses and Korona Cameras, Catalog No. 22, Gundlach-Manhattan Optical Co., (Rochester, NY), undated c. 1922, ~6"x9", 52pp
Though undated, this Catalog No. 22 probably follows the form of the No. 25 catalog which is dated Jan. 1, 1925, in that the number of the catalog refers to the last two digits of the year it was issued.
