There are a number of blood cell morphology atlas sites and sites pertaining to general and specific hematology. If you find any of these particularly useful let me know. Also, if you come across useful sites not listed here let me know so they can be shared with the class. Although the resources are provided as an adjunct for the CLS courses you may also want to review them in preparation for the CLS and MT board examinations. A 5-part series by Ed Uthman, MD on blood cell morphology and physiology in various types of anemia.
Nice graphics complement the text.
This may be a good site for a self-assessment. This tutorial contains sections on instrumentation and blood collection, microscopy, routine diagnostic testing, body fluids, anemia and leukemia. It also contains case studies and reviews. One of the best, concise references on clinical medicine, this section of the Merck Manual focuses on hematology and oncology disorders. It provides a nice summary of clinical signs and symptoms, laboratory tests and results and therapeutic considerations.