A collection of tests measuring language proficiency and/or language dominance is described; twenty-eight of the tests are commercially available and twelve are available from non-commercial sources. There are no evaluative judgments made. The descriptive information for each test includes: title; author; where to order (or where to inquire, for non-commercial tests); price (for commercial tests); date of publication; language versions available; age and/or grade level for which the test is appropriate; type of language proficiency measured; language skills which are tested; test administration, including materials needed, group or individual test, length of time to administer, and specific tasks to be performed; scoring, including method, time required, information on interpretation; and field testing information. (MH)