- A History of the Goshenhoppen Reformed Charge, Montgomery County, Pennsylvania
- A History Of The Goshenhoppen Reformed Charge: Montgomery County, Pennsylvania, 1727-1819
- Life and Letters of the Rev. John Philip Boehm, Founder of the Reformed Church in Pennsylvania, 1683-1749
- Selected Babylonian Kudurru Inscriptions
- A New Boundary Stone of Nebuchadrezzar I. From Nippur: With a Concordance of Proper Names and a Glossary of the Kudurru Inscriptions Thus Far Published