Tests in Microfiche (OSU)The ETS Test Collection is a microfiche collection of unpublished tests. These tests may be freely reproduced without any modifications. Permission from the author must be obtained in order to use these materials in any other way. This includes modifying or adapting the materials, as well as selling or distributing them to others. Tests in Microfiche are located in file cabinets in the Microforms Area, 2nd floor, Thompson Library.