| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Why Marriage Matters: America, Equality, and Gay People's Right to Marry | Paperback | 978-0-7432-6459-4 (0-7432-6459-2) | 2005 |
| Why Marriage Matters: America, Equality, and Gay People's Right to Marry | Hardcover | 978-0-7432-6458-7 (0-7432-6458-4) | 2004 |