There is a new WWW-site that may be of interest to you. It has been set
up by "Bone Marrow Donors Worldwide", a project for the collection of
the HLA-phenotypes of volunteer bone marrow donors, and for the
coordination of their worldwide distribution. At present the phenotypes
of 2.7 million donors have been registered. The URL is
http://oasis.leidenuniv.nl:8080
Jan Theo Bakker