Originale: Opferlied, Opus 121b. The poem first appeared in 1790, so Beethoven may have known the text while he lived in Bonn.
Traduzione: Opferlied, Opus 121 ter. Ludwig van Beethoven. Piano. Secolare, Lied. Lingua. Tedesco. SSATB. 1761-1831. "Opferlied".