Intensive Course in Tongan: With Numerous Supplementary Materials, Grammatical Notes, and Glossary
The Student's English-Tongan and Tongan-English Dictionary
Tonga Islands Travel Reference Map (International Travel Maps)
Learning Vegetables in Tongan and English (Tui Language Books) (Tonga Nyasa Edition)
Learning Food in Tongan and English (Tui Language Books) (Tonga Nyasa Edition)