| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| The Encyclopedia of Monograms: Over 11,000 Motifs for Designers, Artists, and Crafters | 978-1-60239-632-6 (1-60239-632-9) | 2008 |
| The International Encyclopedia of Monograms | 978-1-60239-169-7 (1-60239-169-6) | 2007 |
G. Lee · L.G. · L. Lee · Leonard L. · Leonard Lee