https://shop.chess.org/p/the-semi-slav-peter-heine-nielsen-downloadable-version-english
The Semi-Slav, Peter Heine Nielsen (English) :: chess.org
The Semi-Slav (1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6) can arise via various move orders, has decided World Championships, and is one of Black’s most fascinating...
peter heine nielsensemi slavenglishchess
https://chessreads.com/review/play-the-semi-slav/
Play the Semi-Slav — David Vigorito — ChessReads
Play the Semi-Slav by David Vigorito — chess book review on ChessReads.
semi slavplaydavidvigorito