Chessmetrics Ratings: Morphy, Paul C

How does Paul Morphy compare to modern day Grandmasters (GMs) like Magnus Carlsen or Fabiano Caruana? - Quora

Paul Morphy and the mysterious chess player. : r/chess

What criteria do chess organizers use to invite players to participate in invite-only elite chess tournaments apart from ratings? - Quora

The Exclusive 2800 Club : r/chess

British Championships Archives - Page 6 of 10 - British Chess News

Paul Morphy's Chess Strength

Paul Charles Morphy World Chess Hall of Fame

Issue 07 of Spinrad's Column, PDF, Chess Openings

The chess games of Charles Maurian