- A Concise Dictionary of Middle English (E-Book)
- A Select Glossary of Bible Words; Also a Glossary of Important Words and Phrases in the Prayer Book ..
- Synopsis of Old English Phonology, Being a Systematic Account of Old English Vowels and Consonants and Their Correspondences in the Cognate Languages
- Glossary of Stuart and Tudor Words
- Die Innere Entwicklung Des Griechischen Epos: Ein Baustein Zu Einer Historischen Poetik