 The spy would steal the proofreader's copies and send them by fastest mail to the United States, allowing Stoddart to publish his version simultaneously with the "Britannica" and at nearly half the price ($5 versus $9 per volume).His right to do so was upheld in an infamous decision by Justice Arthur Butler who argued

Another successful infringer was Henry G. Allen, who developed a photographic reproduction method for the "Britannica" and charged only half as much as Stoddart ($2.50 per volume).Other people alleged to have copied the 9th edition included John Wanamaker and the Reverend Isaac Kaufmann Funk of the Funk and Wagnalls encyclopedia.