“Chaucer's Works, Volume 2 — Boethius and Troilus” by Geoffrey Chaucer — a free Project Gutenberg ebook, available to read as an EPUB on BookMarket.
Subjects: English poetry -- Middle English, 1100-1500. Original source: https://www.gutenberg.org/ebooks/44833.
This ebook is in the public domain in the United States; the Project Gutenberg eBook license applies to the original text.