The bibliography on dyslexia has approximately 110 listings representing a variety of resources published from 1972 to 1990. A definition of dyslexia is also provided. Materials available in the reference collection of the Library of Congress Science Reading Room are identified. Publications and other resources are grouped according to the following categories: introductions; Library of Congress subject headings; basic texts; guides for parents and teachers; additional titles; related titles; bibliographies, directories, and handbooks; biographical material; conference proceedings; abstracting and indexing services; journals; representative journal articles; selected technical reports; materials available in the Library of Congress pamphlet boxes; and organizational sources of information. (DB)