Some of the best hypertext readings are available through KMS in the ACM Hypertext Compendium which starts at frame ACMHTCtop1 on video.cs.vt.edu or are pointed to by the excellent bibliography available from Texas A&M University which starts at frame tamuhrl92001.1 on video.
Important IR sites include
Many excellent sources are available through the World-Wide Web. One view of these is by title.
Aside from the textbook, all other materials mentioned have been placed on reserve. These are all valuable items for the study of Information Storage and Retrieval.