| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Rev. John Philip Bhm: Prepared for the Sesqui-Centennial Anniversary of Bhm's Reformed Church, in Whitpain Township, Montgomery County, Pennsylvania, Held September 11, 1890 | 978-1-112-17776-7 (1-112-17776-O) | 2009 |