Lily's grammar of Latin in English, 2013 page 89 (The name 'Lily' was spelt in a great variety of ways: Lillie, Lilly, Lilye, Lyllie, Lylly, Lyly, Lylye and Gulielmus Lilius) page 92 (William Lily, first master of Paul's School; taught Latin and Greek; best known for his Latin grammar book used exclusively in all English schools for 300 years.)