- Cărți electroniceThe American Sign Language Alphabet – A Project FingerAlphabet Reference ManualS.T. Lassal
- Cărți electroniceThe Irish Sign Language Alphabet – A Project FingerAlphabet Reference ManualS.T. Lassal
- Cărți electroniceThe Swiss German Sign Language Alphabet – A Project FingerAlphabet Reference ManualS.T. Lassal
- Cărți electroniceThe Filipino Sign Language Alphabet – A Project FingerAlphabet Reference ManualS.T. Lassal
- Cărți electroniceFingeralphabet Österreich – Ein Project FingerAlphabet HandbuchS.T. Lassal
- Cărți electroniceThe Austrian Sign Language Alphabet – A Project FingerAlphabet Reference ManualS.T. Lassal
- Cărți electroniceFingeralphabet Deutschschweiz – Ein Project FingerAlphabet HandbuchS.T. Lassal
- Cărți electroniceThe Liechtenstein Sign Language Alphabet – A Project FingerAlphabet Reference ManualS.T. Lassal
- Cărți electroniceFingeralphabet Luxemburg – Ein Project FingerAlphabet HandbuchS.T. Lassal
- Cărți electroniceThe German Sign Language Alphabet – A Project FingerAlphabet Reference ManualS.T. Lassal
- Cărți electroniceFingeralphabet Deutschland – Ein Project FingerAlphabet HandbuchS.T. Lassal
- Cărți electroniceFingeralphabet Luxembourg – A Project FingerAlphabet Reference ManualS.T. Lassal
- Cărți electroniceSerie: Project FingerAlphabet BASICS.T. Lassal
- Cărți electroniceFingeralphabet Liechtenstein – Ein Project FingerAlphabet HandbuchS.T. Lassal
- Cărți electroniceThe Flemish Sign Language Alphabet – A Project FingerAlphabet Reference ManualS.T. Lassal