BioStor
 | 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 |