- English-Esperanto Dictionary
- Esperanto (The Universal Language): The Student's Complete Text Book, Containing Full Grammar, Exercises, Conversations, Commercial Letters, and Two Vocabularies
- A Primer Of Esperanto, The Auxiliary Language: A Second Language For All Nations
- Esperanto (the Universal Language): The Student's Complete Text Book; Containing Full Grammar, Exercises, Conversations, Commercial Letters, and Two Vocabularies
- A Primer Of Esperanto, The Auxiliary Language: A Second Language For All Nations