This directory is intended to serve as an information resource for libraries that may be contemplating card catalog closing by providing a list of 607 U.S. and Canadian libraries that have closed their old card catalog files. The report includes reference information for 286 academic libraries, 235 public libraries, 11 school libraries, and 75 special libraries. All categories of Canadian libraries are listed at the end of the report. Data for each library are presented in the following format: (1) the library's name and address; (2) the type of online system used; (3) the year the catalog was closed; (4) the collection size; and (5) a contact person and phone number. (GLR)