| Beiträge zur nähern naturhistorischen Kenntniß des Unterdonaukreises in Bayern J Waltl (1838) Isis von Oken 31: 250-273 | |
| Bibliographical Notices (1842) Annals And Magazine of Natural History 9: 417-422 | |
| XII.—Excursions in upper Styria, 1842 R C Alexander (1846) Annals And Magazine of Natural History 18: 94-102 | |
| LIV.—Botanical excursion in Lower Styria in 1842 R C Alexander (1846) Annals And Magazine of Natural History 17: 457-466 |