| Author | Titles | | 1.
| Janson, H. W., 1913-1982 | 16 | | 2.
| Janson, Horst W., 1913-1982 | 0 | | 3.
| Author is: Janson, H. W., 1913-1982 | 16 | | 4.
| Janson, Horst Woldemar, 1913-1982 | 0 | | 5.
| Author is: Janson, H. W., 1913-1982 | 16 | | 6.
| Janson, Marlies | 1 | | 7.
| Janss, Glenn C. | 1 | | 8.
| Janssen, Anouk | 1 | | 9.
| Janssen, Cuny, 1975- | 1 | | 10.
| Janssen, Dieter | 1 | | 11.
| Janssen, H., 1929-1995 | 0 | | 12.
| Author is: Janssen, Horst, 1929-1995 | 1 | | 13.
| Janssen, Hans | 4 |
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