Levis, H. C. (1913). A descriptive bibliography of the most important books in the English language relating to the art & history of engraving and the collecting of prints: Supplement and index. Ellis.

Levis, Howard Coppuck. A Descriptive Bibliography of the Most Important Books in the English Language Relating to the Art & History of Engraving and the Collecting of Prints: Supplement and Index. Ellis, 1913.