Yale University Social Science Libraries and Information Services Yale University Social Science Libraries and Information Services migrated the files in this dataset from their original formats. Migration and format details for each file are described below. citation here keyword here Disseminated by the U.S. Government Printing Office through the Federal Depository Library Program. CD-ROM held at Yale University Library, Government Documents & Information Center. file quantity here restriction here : , . , - edition -- single YYYY-MM-DD temporal coverage here single YYYY-MM-DD