See biographies by G. F. MacMunn (1931) and N. G. Ahnlund (tr. 1940); M. Roberts, Gustavus Adolphus: A History of Sweden, 1611–1632 (2 vol., 1953, 1958), and Gustavus Adolphus and the Rise of Sweden (1973).
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.