1. Review of Lysell, L.: Plicae Palatinae Transversae and Papillae Incisiva in Man. A Morphologic and Genetic Study;Salzmann;Am. J. Orthodont,1955
2. Expositio Anatomica Structurae Corporis Humani;Winslow;Tomi Quarti Pars Secunda, Francofurti et Lipsiae,1753
3. The Palatal Rugae in Man;Allen,1889
4. Pre-Natal Development of the Human Palate. Some Histologic Observations;Wood;Arch. Oral Biol,1962
5. Plicae Palatinae Transversae and Papilla Incisiva in Man. A Morphologic and Genetic Study;Lysell;Acta odont. scandinav,1955