Association football | association football | National Football League | National Register of Historic Places | Forward (association football) | National Hockey League | Goalkeeper (association football) | Defender (association football) | Socialist Federal Republic of Yugoslavia | England national football team | Federal Bureau of Investigation | Federal Communications Commission | National Basketball Association | National Science Foundation | National Geographic | National Trust | American Association for the Advancement of Science | Federal Aviation Administration | National Endowment for the Arts | National Geographic Society | Association of Tennis Professionals | Argentina national football team | National Trust for Places of Historic Interest or Natural Beauty | National Park Service | National League | Australian National University | United States federal judge | National Guard | National Geographic Channel | National Institutes of Health |
Wittmann also was the legislative representative with the National Association of Retired Federal Employees and a public affairs specialist with the National Treasury Employees Union.