The Test Collection at ETS (TestLink) is a database of more than 25,000 tests and other measurement devices most of which were created by authors outside ETS/ With information about tests from the early 1900s to the present, the Test Collection at ETS is the largest compilation in the world/ Some are available Tests in Microfiche (TIM), housed in the Wilson Library Reference Room (Microfiche Set 129). Only those identified as: Test Acronyms... TIM are available on microfiche. The microfiche are arranged numerically by the numbers given each title in the database. The other 19,000+ tests are available from ETS or other sources. To obtain a list of the whole TIM Collection from the ETS Test Collection Database, select Test Acronyms as a search method & click search. Then enter TIM* in the search box.