History of the theory of numbers
by Leonard Eugene Dickson
Dover Publications, Inc.
Leonard Eugene Dickson ; with a chapter on the class number by G.H. Cresse
Dover Publications 2005 History of the theory of numbers / by Leonard Eugene Dickson v. 3
Available at 13 libraries
Leonard Eugene Dickson
Dover Publications 2005 History of the theory of numbers / by Leonard Eugene Dickson v. 2
Available at 14 libraries
Dover Publications 2005 History of the theory of numbers / by Leonard Eugene Dickson v. 1