Finding aids -- Agriculture, fishing, and forestry -- Business and economics -- Culture and recreation -- Defense and intelligence -- Demographics and sociology -- Education -- Employment -- Energy -- Engineering and technology -- Environment and nature -- Government and politics -- Health and safety -- International relations -- Law and law enforcement -- Legislative branch -- Presidency -- Science and space -- Social welfare -- Transportation -- Beyond the Federal Web: nongovernmental websites -- Appendix A. List of members of the 113th Congress -- Appendix B. Congressional committees -- Appendix C.U.S. embassies abroad -- Appendix D. Foreign embassies in the United States. The authoritative guidebook for official government resources on the Internet ... updated and expanded with the most current and comprehensive information and reviews. A new chapter with information on nongovernmental organizations, advocacy groups, think tanks, science and technology cooperatives, and international organizations has been added for the 2013 edition. The Directory is an indispensable guidebook for anyone who is looking for official U.S. government resources on the Web.