A study of rare books : with special reference to colophons, press devices and title pages of interest to the bibliophile and the student of literature /
Mumey, Nolie,1891-
Denver : Clason Publishing Co.,
1930.
Limited ed of  1000 copies.
"In this work facsimile reproductions of the valuable editions are shown accompanied by brief descriptions calling attention to features of interest ; these are arranged and grouped under their respective headings with an introduction in each case" -- Pref.
Includes bibliographical references and index.
Rare books.
Incunabula
Printing
Colophons.
Printers' marks.