Charles Dexter Allen (1865–1926), an American author and scholar, is best known for his thorough examination of book plates, particularly in his seminal work American Book-Plates: A Guide to Their Study with Examples. His writings emphasize the cultural and historical importance of these decorative insignias, exploring their function as markers of ownership, intellectual lineage, and artistic skill.
Through in-depth analyses of plates associated with figures like George Washington and descriptions of heraldic symbols, Allen underscores the connection between art, history, and personal legacy. His work remains a foundational text for understanding the aesthetic and symbolic depth of book plates in American literary and social contexts.