Mosaics of Grecian History" likely isn't a reference to actual mosaics depicting Greek history, but rather a book title. Here's the potential meaning:
Book about Greek History: "Mosaics of Grecian History" is most likely a book by Marcius Willson that offers a comprehensive overview of Greece's past. It might use excerpts from various sources, like poems and speeches, to create a richer narrative of Grecian history and literature.
