Buckland, M. 2009. TIMELINES As we may recall: four forgotten pioneers. interactions 16, 6 (Nov. 2009), 76-79.
DOI=http://doi.acm.org/10.1145/1620693.1620712
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Bush, Vannevar. 1945. As We May Think. The Atlantic Monthly 176(1) July 1945, pages 101-108.
http://www.theatlantic.com/doc/print/194507/bush (printer friendly)
http://www.theatlantic.com/doc/194507/bush (non-printer friendly)

Proceedings of the 20th ACM conference on Hypertext and Hypermedia 2009, Torino, Italy, June 29 - July 01, 2009.
To view the proceedings,

1. Visit http://www.library.yorku.ca/ccm/Home/eResources/FindByTitle
2. Use the search term “ACM Digital Library”
3. Go to the library (the direct link is http://portal.acm.org/dl.cfm)
4. Browse the Digital Library → Proceedings → HT: Conference on Hypertext and Hypermedia