THADDEUS RICH, 1914: Assistant Conductor, Kensington, Philadelphia, April 8; November 5-6, 1915, entire programme with exception Schoenberg’s Kammersymphonie; November 9, 1915, Stetson concert; Norristown, January 11, 1916; Philadelphia regular concerts, January 28-29, 1916; Philadelphia Girls’ High School, January 31, 1916; Lancaster, Pa., February 1, 1916; Easton, Pa., February 17, 1916; Reading, Pa., February 22, 1916; University of Pennsylvania, February 24, 1916; Boys’ Central High School, March 7, 1916; Germantown High School, March 30, 1916; Frankford High School, April 13, 1916; Stetson Concert, January 9, 1917; Atlantic City, N. J., January 22, 1917; Reading, Pa., February 20, 1917; University of Pennsylvania, February 21, 1917; Stetson Concert, November 7, 1917; Pittsburgh, Pa., February 11, 1918; Oberlin, Ohio, February 13, 1918; Philadelphia, December 28, 1918; Toronto, February 22, 1919; Philadelphia, March 21-22, 28-29, April 12-15-16, 1919; Stetson, March 25, 1919; Wilmington, March 24, 1919; Stetson, November 15, 1921; University of Pennsylvania, January 18, 1922; Philadelphia regular concerts, January 20-21, 1922; University of Pennsylvania, February 8, 1922; University of Pennsylvania, March 1, 1922; University of Pennsylvania, March 22, 1922; Pittsburgh, November 10, 1922, January 13, 1923, and March 23, 1913, conducted Children’s concerts; Stetson, November 14, 1922; Harrisburg, March 22, 1923; Pittsburgh, March 23, 1923; Philadelphia regular concerts, January 19-20, 1923; Philadelphia regular concerts, January 11-12, 1924; Princeton, March 18, 1924; Philadelphia regular concerts, January 23-24, 1925; Princeton, March 2, 1925. GUEST CONDUCTORS ERNEST BLOCH, 1918: Philadelphia, January 25-26, conducted programme of his own works. LEANDRO CAMPANARI, 1907: Philadelphia, February 22-23, March 1-2; Harrisburg, February 19; Trenton, February 21; Reading, February 25; Washington, February 26; Baltimore, February 27, during Scheel’s illness. ALFREDO CASELLA, 1921: Philadelphia, October 28-29, conducted his own “Pages of War.” ALPHONSE CATHERINE, 1919: Philadelphia, January 31-February 1, conducted entire programme. FRANK GUERNSEY CAUFFMAN, 1909: Philadelphia, March 5-6, conducted his own “Legende.” GEORGE W. CHADWICK, 1911: Philadelphia, March 29, conducted his own Suite Symphonique at National Federation of Musical Clubs Concert. VINCENT D’INDY, 1922: Philadelphia, January 6-7; Princeton, January 9; Washington, January 10; Baltimore, January 11; Harrisburg, January 12; Pittsburgh, January 13-14, conducted entire programme. GEORGES ENESCO, 1923: New York, January 2; Philadelphia, January 5-6; Washington, January 9; Baltimore, January 10; Harrisburg, January 11; Pittsburgh, January 12-13; Pottsville, January 17, conducted entire programme. OSSIP GABRILOWITSCH, 1920: Philadelphia, April 3-5, conducted entire programme.