Item — HN Reader

> Before the book came out, a series of articles about Smalltalk-80 were published in the August 1981 issue of Byte magazine.

Smalltalk-76 was the first version that mostly (besides "one metaclass per class" and "blocks with arguments") corresponds to what we understand by Smalltalk today. It was developed by Ingalls and published already in 1978, see https://dl.acm.org/doi/abs/10.1145/512760.512762. This was the earliest publication about Smalltalk as far as I know.

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There was an article in 1975 and two in 1977, but they were about Smalltalk-72 and didn't have too many details.

http://www.vpri.org/pdf/hc_ACK_Pisa_1975.pdf

http://www.vpri.org/pdf/m1977001_dynamedia.pdf

http://dreammachin.es/Kay_SciAm_77.pdf

Interesting, thanks. Smalltalk-72 was a rather different system, i.e. didn't have much in common with Smalltalk-80 (in contrast with Smalltalk-76 which was almost there). I already have the Smalltalk-72 instruction manual from 1976, but I will gladly read the referenced articles too.