| Author | Titles | | 1.
| Helfenstein, Josef, 1957- | 15 | | 2.
| Helffer, Mireille | 2 | | 3.
| Helfferich | 1 | | 4.
| Helfferich, Karl, 1872-1924 | 2 | | 5.
| Helfferich, Karl Theodor, 1872-1924 | 0 | | 6.
| Author is: Helfferich, Karl, 1872-1924 | 2 | | 7.
| Helfman, Patricia Masters | 1 | | 8.
| Helft, Claude | 1 | | 9.
| Helft, Jacques | 1 | | 10.
| Helfting, Paul | 1 | | 11.
| Helg, Franca | 1 |
|
|
