B (programming language) (1969) by Ken Thompson
	Compiler Construction (1996) by Niklaus Wirth
	Guarded Commands, Nondeterminacy and Formal Derivation of Programs (1975) by Edsger Dijkstra
	Programming in Modula-2 (1982) by Niklaus Wirth
	Programming in Modula-2 (3rd Edition) (1985) by Niklaus Wirth
	Programming in Modula-2 (4th Edition) (1988) by Niklaus Wirth
	Programming in Modula-2 (5th Edition) (1996) by Niklaus Wirth
	The Programming Language Modula-2 (1979) by Niklaus Wirth
	The Programming Language Oberon (1988) by Niklaus Wirth
	The Programming Language Pascal (1971) by Niklaus Wirth
	The Programming Language PL/360 (1968) by Niklaus Wirth