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
(This link works only once York Library recognizes you as an authorized user, such as by logging to Passport York)

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.

1. Go to the ACM Digital Library (the direct link is http://portal.acm.org/dl.cfm)
2. You can also access through York Library http://www.library.yorku.ca/ccm/Home/eResources/FindByTitle (there is a field entitled “to find a specific database or ejournal, type the title here:

(e.g. Psycinfo or Journal of Social History) Search for titles that Begin with” - use the search term “ACM Digital Library”)

• Once you are have reached the ACM Digital Library, you can browse (if you know where to look) or do a title search, as appropriate
  E.g.,

→ Proceedings → HT: Conference on Hypertext and Hypermedia http://portal.acm.org/toc.cfm?id=1557914&idx=SERIES399&type=proceeding&coll=ACM&dl=ACM&part=series&WantType=Proceedings&title=HT&CFID=71393394&CFTOKEN=25951571
OR
→ Magazines → interactions → … etc