Biographies of Tycho Brahe can be found in sites maintained by:

Johan Runeberg and Henric Molin, Hven, Denmark

Rice University, Houston, Texas, USA.

Royal Institute of Technology, Stockholm, Sweden.

St. Andrews University, St. Andrews, Scotland, U.K.

Eric W. Weisstein, Urbana, Illinois, USA.

University Corporation for Atmospheric Research, Boulder, Colorado, USA.