ACKNOWLEDGMENTS

For help in collecting data for this book, I am especially grateful to—

MISS NORA BEUST Specialist for Schools and Children’s Libraries United States Department of Education. MISS VANETT LAWLER Associate Executive Secretary of the Music Educators’ National Conference. MRS. W. H. POWELL, for her aid in research and cooperation on the manuscript. The following members of the staff of the Library of Congress: COLONEL WILLARD WEBB, Chief of the Stack and Reader Division; MR. FRANK C. CAMPBELL MRS. MARGARET HASSELBUSH MR. OLIVER A. DUDLEY All of the Music Division; MR. DAVID H. COLE MR. STEWARD DICKSON MR. FRANK E. LORRAINE Assistants in Charge of Public Reference.