| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| And There Was No One There to Comfort Me: A National Survey of Catholic VS. Protestant Perceptions of the Adequacy of Community and Church- Based Mental Health Services. | 978-3-8383-0063-4 (3-8383-0063-7) | 2009 | ||
| Beyond the Birds and the Bees: Raising Sexually Whole and Holy Kids | 978-1-935940-15-9 (1-935940-15-5) | 2012 | Lisa Popcak | |
| Parenting With Grace | 978-1-59276-685-7 (1-59276-685-4) | 2010 | Lisa Popcak · Foreward by Dr. Bill and Martha Sears | |
Dr Gregory Popcak · G. P. · Gregor Papucek · Gregory and Lisa Popcak · Gregory K., Msw Popcak · Gregory K. Popcak · Gregory K. Popcak MSW PhD · Gregory K. Popcak PhD · Gregory Msw Popcak
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