Looking for some representative / archetypal socialist dismissals of liberalism. The harsher and more sweeping the better. Recommendations?

Stephen Spender wrote a book called Forward from Liberalism, arguing that it had been fine in its day but Socialism would now make the next great leap forward.

The final paragraph of the Communist Manifesto calls for the unity of socialists, liberals, and other democrats against autocrats

Losurdo's book is a big recent one.