They recorded large portions of the language in their journals (published today as "The Five Books of the Mysteries" and "A True and Faithful Relation..."), along with a complete text in the language called the "Book of Loagaeth" (or "Speech From God").
Mereka mencatat banyak bagian dari bahasa di dalam jurnal mereka (diterbitkan sebagai "The Five Books of the Mysteries" dan "A True and Faithful Relation ..."), bersama dengan sebuah tulisan komplet mengenai bahasa yang dinamakan "Book of Loagaeth" (atau "Speech From God").