Columbia subject headings:
Literature, Medieval.
Natural history literature--Europe--History.
Scientific literature--Europe--History.
Harvard subject headings:
Konrad, von Megenberg, 1309-1374. Buch der Natur
Literature, Medieval
Maerlant, Jacob van, 1235?-1300. Naturen Bloeme.
Natural history literature--Europe--History.
Scientific literature--Europe--History.
Princeton subject headings:
German language--Middle High German, 1050-1500.
Konrad, von Megenberg, 1309-1374. Buch der Natur.
Maerlant, Jacob van, 1235?-1300. Naturen bloeme.
Natural history--Pre-Linnean works.