This updated annotated bibliography presents articles about portfolio assessment uses collected and reviewed by the Northwest Regional Educational Laboratory (NREL) Test Center to date. Documents have been obtained from a number of sources, including consortium efforts by the Northwest Evaluation Association and the Alaska State Department of Education. This reorganized and updated version has two sections. The first covers all articles reviewed between December 1989 and July 1991, in alphabetical order by primary author. The second section contains articles reviewed after July 1991, also listed by primary author. The second section will be updated two or three times a year and all new articles will be added to the main bibliography once a year. Articles cover diverse subjects, including both student and staff portfolios, and theoretical and practical approaches to portfolio use. A set of descriptors has been developed, and an index using the descriptors is provided. In Alaska, Idaho, Montana, Oregon, and Washington these articles can be obtained on three-week loan from the NREL Test Center; users in other states must contact the author of the article. Part 1 of this document lists the primary author(s), title, source, shelf number, and brief summary of 94 articles. Part 2 lists the primary author(s), title, source, shelf number, and brief summary of 25 articles. A six-page index for Part 1 is included. (SLD)