Rowan v. United States Post Office Department

Joseph Taback argued the cause and filed a brief for appellants.

Assistant Attorney General Ruckelshaus argued the cause for appellees. With him on the brief were Solicitor General Griswold, Peter L. Strauss, Robert V. Zener, and Donald L. Horowitz.

Louis J. Lefkowitz, Attorney General, pro se, Samuel A. Hirshowitz, First Assistant Attorney General, and Lloyd G. Milliken filed a brief for the Attorney General of New York as amicus curiae urging affirmance. David E. McGiffert filed a brief for the Direct Mail Advertising Association, Inc., as amicus curiae.