Nos. 75-1372, 75-1374 to 75-1376. Argued February 10, 1976. Decided June 21, 1976. Robert A. Giannasi, Asst. Gen. Counsel, Washington, D.C., with whom John S. Irving, Jr., Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel and Andrew F. Tranovich, Washington, D.C., were on brief for petitioner. Paul Schachter, Hato Rey, P.R., with whom David Scribner, Elizabeth Schneider, New York City, Luis M. Escribano, Hato Rey, P.R., Ralph Shapiro, New York City, and Ismael Delgado Gonzalez, San Juan

Nos. 16273 and 16301. Argued January 4, 1962. Decided June 7, 1962. Petition for Rehearing Denied in No. 16,273 July 5, 1962. Certiorari Denied December 10, 1962. See 83 S.Ct. 307. Mr. David S. Davidson, Washington, D.C., with whom Mr. Benjamin C. Sigal, Washington, D.C., was on the brief, for petitioner in No. 16273. Mr. Hans J. Lehmann, Attorney, National Labor Relations Board, with whom Messrs. Stuart Rothman, General Counsel, National Labor Relations Board, Dominick L. Manoli, Associate General

No. 77-1720. Argued March 12, 1979. Decided May 4, 1979. Kenneth Hipp, Washington, D.C. (John S. Irving, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Carl L. Taylor, Associate Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, Elinor Hadley Stillman and Alan Banov, N.L.R.B., Washington, D.C., on the brief), for petitioner. J. E. Vlastos of Cardine, Vlastos Reeves, Casper, Wyo. (Laurence J. Cohen and Robert D. Kurnick of Sherman, Dunn, Cohen Leifer, Washington, D.C., on the brief)