| Author | Titles | | 1.
| Langelaar, Marije, 1978- | 1 | | 2.
| Langeland, Bjorn O. K. | 1 | | 3.
| Langeler, Freddie, 1899-1948 | 0 | | 4.
| Author is: Langeler, Freddy 1899-1948 | 1 | | 5.
| Langeler, Freddy 1899-1948 | 1 | | 6.
| Langemann, Büro | 1 | | 7.
| Langemann, Peter | 3 | | 8.
| Langemets, Andres | 1 | | 9.
| Langen, Albert | 1 | | 10.
| Langen Foudation (Neuss, Alemanha) | 1 | | 11.
| Langer, Axel | 1 |
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