Carl Sagan Memorial Book
Includes contributions from around the world (hosted by the Federation of American Scientists).
http://www.fas.org/sagan.htm

Carlsagan.com
Official page with articles, including the Baloney Detection Kit. Includes sale of books and videos.
http://www.carlsagan.com/

The Planetary Society: Tribute to Carl Sagan
Tribute includes career highlights, posts held and links. Also, links to numerous individual tributes from Society members and site visitors.
http://www.planetary.org/society/tributes/

Even in Death, Carl Sagan's Influence Is Still Cosmic
Discusses Sagan's influence on space exploration, especially at NASA. Article by William J. Broad for the New York Times.
http://www.nytimes.com/library/national/science/120198sci-sagan.html

Carl Sagan - First Sceptic, Then Astronomer
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http://www1.tpgi.com.au/users/tps-seti/sagan.html

Carl Sagan: An Appreciation
Detailed discussion of his work and materialist outlook, and includes a focus on his attitude to Trotsky. Written by Joseph Bradshaw for the World Socialist Web Site.
http://www.wsws.org/science/1997/jan1997/saga-j13.shtml

In Memory of Carl Sagan
Three articles from Skeptic magazine, written by Tom McDonough, James Randi, and Michael Shermer. Also includes transcriptions of Sagan's comments on a number of topics.
http://www.skeptic.com/04.4.sagan-tribute.html

Carl Sagan, Cornell Astronomer, Dies Today
Media release from Cornell University, Sagan's final employer. Biographical information and a list of major awards received.
http://www.news.cornell.edu/general/Dec96/saganobit.ltb.html

Contact: A Eulogy to Carl Sagan
Ray Bohlin critiques Sagan's novel, Contact, from a Christian perspective and describes the inconsistencies he sees.
http://www.probe.org/docs/contact.html

CSICOP News - In Memory of Carl Sagan
Obituary describing Sagan's major achievements, and focusing on his skeptical views. Includes short Real Audio message.
http://www.csicop.org/articles/sagan.html

The Books and Ideas of Carl Sagan
John William Schmidt discusses Sagan's work, especially The Demon-Haunted World and Contact.
http://www.geocities.com/ResearchTriangle/System/8870/books/carlsagan.html

Dr. Carl Sagan
Profile offers biographical information, a bibliography, and related links.
http://home.pacific.net.hk/~paulchui/sagan.html

My Personal Tribute to Dr. Carl Sagan
A site dedicated to the memory of Dr. Carl Sagan. Includes pictures of Sagan's gravesite.
http://www.geocities.com/p_elicer

Quotes and Books by Carl Sagan
Quotes and references by Carl Sagan and a listing of his many books.
http://www.geocities.com/mtracy9

Carl Sagan's Religion of Science
Essay by Scott Detwiler on the religious implications of Sagan's scientific world view as expressed in his writings.
http://www.detwiler.us/sagan.html