Forhandlinger i Videnskabs-selskabet i Christiania - Norske videnskaps-akademi i Oslo. ([Trykt hos Brøgger & Christie, 1884)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1878)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1880)

Journal de botanique (Bureau de journaux, 1892)

Journal de botanique (Bureau de journaux, 1893)

Journal de botanique (Bureau de journaux, 1893)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1893)

Science - American Association for the Advancement of Science. ([s.n.], 1908)

Sylloge algarum omnium hucusque cognitarum - Boston Society of Natural History. (Sumptibus auctoris, 1895)

Ueber die Laminarien norwegens - Foslie, Mikal Heggelund, 1855 -1909 (A. W. Bröggers, 1884)