Lichess puzzles, by ECO · Scott's blog

Alekhine's Defense: Mokele Mbembe Variation

Chess openings: Alekhine's Defense (B02)

What do you think of the Nimzovich defense in chess? - Quora

How good is the 'Old Benoni' defense in chess? - Quora

The Alekhine Defense ♟ – Play for a Win with Black! - GM Marian Petrov

CompactChessOpenings/src/sh/hell/compactchess/game/Opening.java at master · hell-sh/CompactChessOpenings · GitHub

Chess Openings 2018, PDF, Chess

Over The Horizons: Back To The Ice Age: Myers' Defense, PDF, Chess Openings

Opening Disasters in the Slav Defense! - D15 Slav Defense: Alekhine Variation

S. Bücker & C. Galofre - Chess Cafe - Over The Horizons - 1-74, PDF, Chess Openings