583
Lederman, Leon
| Houghton Mifflin Company |
1993
585
Legler, Robert C.
| Hope Publishing Company |
1968
586
Leighton, Kenneth
| Novello and Company Limited |
587
Leinbach, E. W.
| Brodt Music Company |
1943
588
Letellier, Robert Ignatius
| Ashgate Publishing Company |
2008
589
Levine, Robert S.
| Norton & Company |
2007
590
Lewandowski, Louis
| Hall & McCreary Company |
1957