Best studies for openings

This is about the best studies, not the ones with the most likes.

For White

Playing 1. e4

Playing against 1...e5

The Ruy Lopez

Ruy Lopez by LeninPerez
Ruy Lopez Main Lines 50+ and Ruy Lopez sidelines 1 by Stockfish_Upgrade_24
16 Traps in Ruy Lopez by kokunan123456

The Italian Game

Italian Game (50 Lessons) : Two Gambits and a meeting with Bobby Fischer by Thinodya
Italian Game by TomFischer23
Italian game opening traps by WassimBerbar

Scotch Game

Scotch Game Mega Theory! by RoyalBishops
Scotch opening traps by WassimBerbar

Scotch Gambit

STUN BLACK With The Scotch Gambit by FlamingHawk3000

Four Knights

Four Knights by Easpaig

King's Gambit

King's Gambit|Complete Repertoire by Bosburp
King's Gambit (in depth) by IbrahimBenouda

Vienna Game

Vienna Repetoire by anomality

Vienna Gambit

Vienna Gambit Masterclass (Interactive) by ravenbirb

Bishop's Opening

BASH with the Bishop's Opening by Phil224

Center Game

Center Game - A BLITZ WEAPON by TheUltimateTheorist

Playing against the French Defence: 1...e6

CRUSH The French Defence by imnotthinknoodles

Playing against the Caro-Kann Defence: 1...c6

CRUSH The Caro-Kann by Bosburp

Playing against the Sicillian Defence: 1... c5

Anti Sicillian Repertoire by FM Mr_Penings

Playing 1.d4