- Author: Charles Cantalupo, Mohammed Osman Kajerai, Mussa Mohammed Adem, Ribka Sibhatu, Angessom Isaak, Reesom Haile, Ghirmai Yohannes
- Language: English, Tigrinya, Tigre (Tigrayit), Arabic
- Year: 2009
- Author: Enno Littmann
- Language: Tigre
- Year: 1910
- Author: Enno Littmann
- Language: Tigre
- Year: 1913
- Author: K. G. Roden
- Language: Tigre
- Year: 1918