(development began in 1969)

The Smalltalk Environment
Smalltalk best practice patterns.
Making smalltalk a database system
The early history of Smalltalk
Architecture of SOAR:Smalltalk on a RISC
Efficient implementation of the smalltalk-80 system
Efficient implementation of the smalltalk-80 system
Strongtalk: typechecking Smalltalk in a production environment
The Story of Squeak, A'Practical Smalltalk Written in Itself
Back to the future: the story of Squeak, a practical Smalltalk written in itself