Grandmaster Repertoire - The Pirc Defense

The Pirc chess opening is more of a counterattack than a defense: Black allows his opponent to occupy the center and provokes a confrontation,

Books on the Pirc and the Modern Defence.

Which chess opening is easier to learn, the Pirc or Alekhine? - Quora

Ruy López Creative Alternatives (What to Play Instead) - PPQTY

Grandmaster Repertoire: The Pirc Defence - Infoszach

Alburt, lev & dzindzichashvili & perelshteyn chess openings for

Dejan Bojkov: Attacking with the Pirc - A Review

Pirc Alert!: A Complete Defense Against 1. e4 by Lev Alburt

Punish 1.e4 and 1.d4: The Ultimate Opening System for Black

Opening Repertoire: the Black Lion

The Pirc Defense book by Alex Chernin

A Complete Guide to the Pirc Modern Complex: : Davies

Pirc Defense - 1.e4 d6 (Strategy & Theory) - PPQTY

1.d4 - volume 3 / GM Repertoire 2 A - Schachversand Niggemann