Online Resources
- Original plates from Blake's Songs of Innocence and Experience,"The Lamb" and "The Tyger", taken, without permission, from the Online Blake Archive.
- Fillipo Lippi's "Coronation of the Virgin", as mentioned in Robert Browning's "Fra Lippo Lippi." While Browning's Fra Lippo identifies himself as the man, lower right, holding a scroll that reads, "Is[te] perfecit opus" ("This man made the work"), the Norton editors identify the man as Francesco Marenghi, the patron who commissioned the painting.