E. A. and W. Budge, Amulets and talismans, 1930.

C. P. James, Letter to the editors, Our Young Folks, vol.2, issue.3, p.1866

L. De-looze, The letter and the cosmos: how the alphabet has shaped the Western view of the world, 2016.

M. Andrew, L. D. Devine, and . Stephens, Latin Word Order. Structured Meaning and Information, 2006.

G. Durand, Palindromes en folie. Les Dossiers d'Aquitaine, 2002.

, Dwyl. english-words, 2019.

, German wordlist for tanglet and other wordgames, 2019.

L. Étienne, Palindromes Bilingues. Cymbalum Pataphysicum, 1984.

S. Romaine, Variability in word formation patterns and productivity in the history of english, 6th International Conference on Historical Linguistics, pp.451-465, 1985.

, Indeed, the palindrome's function is not neutral, and early palindromes often communicated a moral. They also had a mystical aspect and were used to inscribe verses of the Torah and to aid in rituals, vol.1