| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Complete Guide to American Pocket Watches #2 | 978-0-517-54352-8 | 1982 | Tom Engle |
| Complete Price Guide to Watches 2002: Over 10.000 Price Changes | 978-1-57432-291-0 | 2002 | Tom Engle · Richard E. Gilbert |
| Complete Price Guide to Watches 2006 | 978-1-57432-507-2 | 2006 | Richard E. Gilbert · Tom Engle |
| Complete Price Guide to Watches 2008 | 978-1-57432-592-8 | 2008 | Richard E. Gilbert · Tom Engle |
| Complete Price Guide to Watches 2011 | 978-0-9829487-0-5 | 2011 | Tom Engle · Richard E. Gilbert |
| Complete Price Guide to Watches 2013 | 978-0-9829487-2-9 | 2013 | Tom Engle · Richard E. Gilbert |
| Complete Price Guide to Watches 2014 | 978-0-9829487-3-6 | 2014 | Richard E. Gilbert · Tom Engle |
| Complete Price Guide to Watches 2017 | 978-0-9829487-6-7 | 2017 | Tom Engle · Richard E. Gilbert |
| Complete Price Guide to Watches | 978-1-57432-553-9 | 2007 | Tom Engle · Richard E. Gilbert |
| Complete Price Guide to Watches | 978-1-57432-459-4 | 2005 | Tom Engle · Richard E. Gilbert |
| Complete Price Guide to Watches | 978-1-57432-402-0 | 2004 | Tom Engle · Richard E. Gilbert |
| Complete Price Guide to Watches | 978-1-57432-232-3 | 2001 | Richard E. Gilbert · Tom Engle · Martha Shugart |
| Complete Price Guide to Watches | 978-1-57432-130-2 | 1999 | Tom Engle · Richard E. Gilbert · Martha Shugart |
| Complete Price Guide to Watches | 978-1-57432-064-0 | 1998 | |
| Complete Price Guide to Watches No. 29 | 978-1-57432-622-2 | 2009 | Tom Engle · Richard E. Gilbert |
| Complete Price Guide to Watches No. 30 | 978-1-57432-643-7 | 2010 | Richard E. Gilbert · Tom Engle |
| Instant Expert: Collecting Watches | 978-0-375-72053-6 | 2004 | |
| The Complete Guide to American Pocket Watches | 978-0-517-54378-8 | 1981 | |
| The Complete Price Guide to Watches | 978-1-57432-337-5 | 2003 | Richard E. Gilbert |
Collector Books · Crown Publishers · Random House · Tinderbox Press