The century illustrated monthly magazine.
Roy J. Friedman Mark Twain Collection (Library of Congress)
New York, N.Y. : The Century Co.,
1882-1913.
Published also in London, by: F. Warne & Co., 
Friedman Twain Collection: Vol. 29, no. 1 (Nov. 1884)-v. 33, no. 1 (Nov. 1886).
Title from cover.
Poole's index to periodical literature.
Reader's guide to periodical literature.
Vols. 23-86 also called new ser., vol. 1-new ser., v. 64.
Century magazine Scribner's monthly
Century magazine