| Author | Titles | | 1.
| Luthi, Jean-Jacques | 1 | | 2.
| Lüthi, Louis | 1 | | 3.
| Lüthi, Louis, 1980- | 1 | | 4.
| Luthi, Urs, 1947- | 1 | | 5.
| Lüthi, Urs ; Friedel, Helmut | 1 | | 6.
| Luthy, Hans | 1 | | 7.
| Luthy, Hans A. | 2 | | 8.
| Lutman, Catherine | 3 | | 9.
| Lutoslawski, Wincenty 1863-1954 | 1 | | 10.
| Lutrand, Rita | 1 |
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