Saturday, July 28
Lewisohn Stadium concerts, opera, “Boris Gudonoff”; Youreneff, Bourskaya, Nadworney, Romakoff; conductor, Alexander Smallens: Amsterdam avenue and 138th street; 8 p. m.
United Hebrew Circle of Mizrachi Youth Groups, meeting; speaker, Kalman Whitman; Palestinian music, 455 Hopkinson avenue, Brooklyn; evening.
Solomon and Dora Monness Shapiro Charitable Fund, farewell dinner honoring Dr. and Mrs. Berthold Pollack; Astor Roof, Broadway and Forty-fourth street; 7 p. m.
Sunday, July 29
Lewisohn Stadium concerts, all-Tchaikowsky program; Overture to “Rom## and Juliet,” Nutcracker Suite, Symphony No. 4. Amsterdam avenue and 138th street; 8:30 p. m.
Avukah, American Student Zionist Federation, outing to mid-summer conference at Long Branch, N. J.; meets at foot of Cedar street. Central R.R. boat; 9:20 a. m.