Herr Heinrich von Veldeke, Codex Palatinus Germanicus 848, fol. 30r, Große Heidelberger Liederhandschrift (Codex Manesse), Zürich, ca. 1304-1340. The Codex Manesse, or Große Heidelberger Liederhandschrift is a Liederhandschrift (medieval songbook), the single most comprehensive source of Middle High German Minnesang poetry, written and illustrated between 1304 and 1340, source: digi.ub.uni-heidelberg.de.