This reminds me of the time I bought an old 1972 issue of Rolling Stone magazine on eBay to be able to cite the Spaceware article (also available online) [1] in my bachelor's thesis on Smalltalk as evindence that the culture at Xerox PARC was somewhat unorthodox in the seventies.
[1] https://news.ycombinator.com/item?id=5548719