| title | ISBN-13 | year of publication |
|---|
| The Articles of the State Constitutions: An Index Guide: Mid Atlantic New York, New Jersey, and Pennsylvania | 978-1-7271-8421-1 | 2018 |
| The Articles of the State Constitutions: An Index Guide: Midwest Illinois, Indiana, Kansas, Ohio, Iowa, Michigan, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, and Wisconsin | 978-1-7271-8696-3 | 2018 |
| The Articles of the State Constitutions: An Index Guide: New England : Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont | 978-1-7271-7936-1 | 2018 |
| The Articles of the State Constitutions: An Index Guide: South Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, ... Tennessee, Texas, Virginia, and West Virginia | 978-1-7272-1069-9 | 2018 |
| The Constitution of the State of South Dakota: A Quick Reference Guide | 978-1-7222-3371-6 | 2018 |
| The Constitution of the State of Vermont: A Quick Reference Guide | 978-1-7245-8075-7 | 2018 |
| The Constitution of the State of Virginia: A Quick Reference Guide | 978-1-7247-7605-1 | 2018 |
| The Constitution of the State of Washington: A Quick Reference Guide | 978-1-7247-9243-3 | 2018 |
| The Constitution of the State of West Virginia: A Quick Reference Guide | 978-1-7264-7267-8 | 2018 |
| The Constitution of the State of Wisconsin: A Quick Reference Guide | 978-1-7264-7273-9 | 2018 |
| The Constitution of the State of Wyoming: A Quick Reference Guide | 978-1-7264-7274-6 | 2018 |