American Red Cross
This organization will share your HLA information with the U.S. National Marrow Donor Program if you wish to be considered as a donor. http://www.redcross.org/
Conservation On-Line
A project of the Preservation Department of Stanford University Libraries. A full text library of conservation information, covering a wide spectrum of topics of interest to those involved with the conservation of library, archives and museum materials. http://palimpsest.stanford.edu/