UK stem cell register that enables leukaemia patients who need a stem cell, bone marrow or cord blood transplant to find a match. Includes information on how members of the public can join the register or help in other ways.

Nonprofit organization recruits non-relative volunteer donors for bone marrow transplant, especially among ethnic Armenians. Mission, history, slide show of questions and answers. How to help.

A computerized registry of volunteer donors for patients without a compatible sibling for Bone Marrow Transplant.

A service of the Fundació Josep Carreras, this is the official registry for bone marrow donors in Spain. Seeks volunteer donors of bone marrow and cord blood. Conducts searches for compatible unrelated donors.

A project for the collection of the HLA phenotypes of volunteer bone marrow donors and cord blood units, and for the coordination of their worldwide distribution.

Registry of volunteer donors of bone marrow, blood stem cells, and cord blood, mostly ethnic Jews (Ashkenazi). Based in the United States, will help find a match worldwide. Information for patients and prospective donors.

Nonprofit organization. Operates the Cyprus Bone Marrow Donor Registry. Basic information in English, much more detailed explanation in Greek.

Provides marrow transplants in the United States from volunteer unrelated donors to patients with leukemia, aplastic anemia and other potentially life-threatening blood diseases.