• American Red Cross Community services through blood drives and collections.

• ASH Online The American Society of Hematology. Information, mission and membership.

• Atlas of hematology Includes over 200 photographs depicting microscopic images of cells in the peripheral blood and the bone marrow with detailed descriptions.

• Atlas of Hematology Contains images of blood cells with descriptions.

• BloodLine Case studies, images, journal articles and hematology news.

• Family Practice Notebook Comprehensive database on hematological and oncological disorders.

• Haem.net The web journal of laboratory haematology.

• Haematological Malignancy The diagnosis of leukaemia, lymphoma, myeloma and related blood disorders by cellular and molecular investigation.

• Hematology and Oncology Information about the practice and offers answers to basic questions.

• Mayo Clinic Hematology Information for patients and referring physicians about multiple myeloma and related plasma cell proliferative disorders.

• South Texas Blood A not-for-profit center responsible for supplying blood and tissue to 80 hospitals and clinics in 43 counties.

• State Blood Transfusion Stock status of blood components (whole blood, plasma, fresh frozen plasma, red dell doncentrate, platelet concentrate.