The Writings series includes magazine and newspaper articles written by Krebs and publications in which she served as editorial coordinator, as well as a copy of her book, "Cars," published in 1999 as part of the Careers without College series.
The Topical Files series includes documentation collected by Krebs on various topics related to the automotive industry, such as automobile insurance, vehicle safety features, and alternative fuel sources.
Promotional Materials, Press Releases, and Publications includes brochures, photographs, slides, and press releases related to automobile shows, automobile companies, and suppliers of automotive components. In addition, there is an extensive collection of audiovisual materials promoting new car models and products during the period from 1981 to 2009.