Jean Weihs has worked as a school librarian and in university, public, and special libraries as a reference librarian and bibliographer. Most of her career, however, has involved cataloging. She served as director of the Library Techniques Program at Seneca College of Applied Arts and Technology and has taught at UCLA and Simmons College. She was a member of the Joint Steering Committee for Revision of AACR for nine years, serving five years as chair. She has written or edited numerous publications, including Nonbook Materials: The Organization of Integrated Collections (1970, 1973, 1979, and 1989), Accessible Storage of Nonbook Materials (l984), The Integrated Library (1991), The Principles and Future of AACR: Proceedings of the International Conference on the Principles and Future Development of AACR (1998), and Standard Cataloging for School and Public Libraries. She has received the Margaret Mann Citation Award, the 60th Anniversary Award of the University of Toronto Faculty of Library and Information Science, the Queen's Jubilee Medal, OLAC's Nancy B. Olson Lifetime Achievement Award, and the Canadian Association of College and University Libraries' Blackwell's Award for Distinguished Academic Librarian.