The reference collections of most research libraries contain a readily identifiable collection of standard paper sources used in locating tests and test-related materials for education and psychology. Yet currently there is no electronic equivalent, no set of Internet resources that has been identified as constituting an online literature on tests and measurements. This study attempts to investigate what resources are now available on the Internet for tests and measurements, and identifies the most useful ones. In order to keep the study manageable, the emphasis is on resources for psychological 212testing, with some educational psychology materials included as well. Whenever possible, evaluative summaries of these resources have been included. [Article copies available for a fee from The Haworth Document Delivery Service: 1-800-342-9678.E-mail address: getinfo@ haworth.com]