Known sourcecanonical
"Listen! John A. Logan is the Head Centre, the Hub, the King Pin, the Main Spring, Mogul, and Mugwump of the final plot by which partisanship was installed in the Commission."
Isaac H. Bromley / Editorial in the "New York Tribune," Feb. 16, 1877.
Editorial in the "New York Tribune," Feb. 16, 1877.
Bartlett's Familiar Quotations, 9th ed. (Little, Brown, 1905), public domain