Books
The American Sign Language Alphabet – A Project FingerAlphabet Reference Manual: Letters A-Z, Numbers 0-9
2015
Die grosse Welt des kleinen Huntermann
2022
The Austrian Sign Language Alphabet – A Project FingerAlphabet Reference Manual
2024
The Liechtenstein Sign Language Alphabet – A Project FingerAlphabet Reference Manual
2024
The Flemish Sign Language Alphabet – A Project FingerAlphabet Reference Manual
2024
The Filipino Sign Language Alphabet – A Project FingerAlphabet Reference Manual
2024