| title | ISBN-13 | year of publication |
|---|
| American Government Leaders: Major Elected and Appointed Officials, Federal, State and Local, 1776-2005 | 978-0-7864-7532-2 | 2013 |
| Biographical Dictionary of Professional Wrestling, Second Edition | 978-0-7864-1754-4 | 2003 |
| Feature Films, 1960-1969: A Filmography of English-Language and Major Foreign-Language United States Releases | 978-0-7864-4581-3 | 2009 |
| Obituaries in the Performing Arts, 2012 | 978-0-7864-7063-1 | 2013 |
| Obituaries in the Performing Arts, 2013 | 978-0-7864-7665-7 | 2014 |
| Obituaries in the Performing Arts, 2014 | 978-0-7864-7666-4 | 2015 |
| Obituaries in the Performing Arts 2017 | 978-1-4766-7032-4 | 2018 |
| Television Westerns Episode Guide: All United States Series, 1949-1996 | 978-0-7864-7386-1 | 2012 |
| The Volcano Registry: Names, Locations, Descriptions and Histories for over 1500 Sites | 978-0-7864-9359-3 | 2014 |