From books by J.R.R. Tolkien:

• Full Ring verse in Nûrlâm
• Dialogues of Uglúk, Grishnákh and other orcs from LOTR II: Uruk-Hai chapter
• Dialogues of Shagrat, Gorbag and other orcs from LOTR II: The Choises of Master Samwise chapter
• Dialogues of Shagrat and Snaga from LOTR III: The Tower of Cirith Ungol chapter
• Dialogues of unnamed orcs from LOTR III: The Land of Shadow chapter
• Goblin song 1 from The Hobbit (Over Hill and Under Hill chapter)
• Goblin song 2 from The Hobbit (Out of the Frying Pan into the Fire chapter)

Other texts:

• Babel's Tower (Genesis 11: 1–9) (based on New King James Bible Version, 1982)
• Diggy diggy hole (The Yogscast song in Minecraft setting)
• Erlkönig (by Johann Wolfgang von Goethe)
• Herr Mannelig (Traditional song)
• The King and The God (fictional dialogue used as an example for reconstructions of Proto-Indo-European language)
• Litany against fear (from Frank Herbert's “Dune”)
• Songs by Manowar
• Strange women lying in ponds distributing swords... (the famous conversation from “The Monty Python and the Holy Grail” movie)
• Orcish lullaby (my own “mockery” of Lay of Leithian as found in HOME III: The Lays of Beleriand)
• Where there's a whip, there's a way... (from “The Return of the King” animated movie)
• Winter evening (by Alexander Pushkin)
• Zehn Orks (“Ten Orcs”, a song by Die Streuner)