Overview of Zukertort's life (Tim Harding, 2000)
Zukertort's 1879 visit to Ireland (Tim Harding, 2008/9/10)
The London 1883 tournament (from the tournament book)
PGN file of selected Zukertort games.
Rosenthal-Zukertort match of 1880, researched by Nick Pope
Blackburne-Zukertort match London 1881, by Nick Pope
A Trap for the Historian by Tomasz Lissowski, at Chess Archaeology. Lissowski is co-author with Cezary W. Domanski of the biography Der Großmeister aus Lublin, Wahrheit und Legende über Johannes Hermann Zukertort [The Grandmaster from Lublin, reality and legend concerning J. H. Zukertort], (Berlin 2005).