1.e4: Complete Guide for White - TheChessWorld

Modern theory has developed a lot and concepts have changed with time, but the majority of games still start with the same move – 1.e4.

Foxy 170-171: The Colle Opening for Tournament Players (2 DVDs) - Chess Opening Video DVD

1927 Women's World Chess Championship - Chessentials

TheChessWorld.com

The Réti Opening: How to Play It as White and Black - Chessable Blog

Opening Theory Archives - British Chess News

Chess Openings for White, Explained: Winning with 1. E4 (PDF)

Opening Theory Archives - British Chess News

Cute tactic I found during the blitz tournament at this week's US Open. Black to move : r/chess

Great Black Openings: The Best Chess Defences to Destroy Strong Openings — The Sporting Blog

Bobby Fischer Miscellanea by Edward Winter

Notation