(anglès) A very strong player who had a long career; 1862 was his most successful year: «Chessmetrics Player ProFitxer:John Owen». [Consulta: 17 juny 2008].
(anglès)Silman, J. «Wilhelm Steinitz». Jeremy Silman. Arxivat de l'original el 2008-06-19. [Consulta: 17 juny 2008]. Has several examples of Steinitz testing his theories in top-class play.
(anglès) For a picture of his grave, see «At the grave of Adolf Anderssen». Ken Whyld Association. Arxivat de l'original el 2012-02-15. [Consulta: 19 novembre 2008]. The source for the date of the reburying is SchachReport, no. 9/1995, p.74
mark-weeks.com
Taula de creuaments i partides en PGN del Torneig de Londres de 1851: Weeks, Mark. «1851 London Tournament» (en anglès). mark-weeks.com. [Consulta: 23 setembre 2011].
(anglès)Silman, J. «Wilhelm Steinitz». Jeremy Silman. Arxivat de l'original el 2008-06-19. [Consulta: 17 juny 2008]. Has several examples of Steinitz testing his theories in top-class play.
(anglès) For a picture of his grave, see «At the grave of Adolf Anderssen». Ken Whyld Association. Arxivat de l'original el 2012-02-15. [Consulta: 19 novembre 2008]. The source for the date of the reburying is SchachReport, no. 9/1995, p.74