1. Ueber Zystem im Weichgewebe des Ductus Nasopalatinus;Bauer;Ztschr. f. Stomatol.,1930
2. Nasopalatine Duct Structures and Peculiar Bony Pattern Observed in Anterior Maxillary Region;Burket;Arch. Path.,1937
3. Incisive Canal Cyst of Edentulous Maxilla;Cohen;Int. J. Orthodontia,1936
4. Supernumerary Paranasal Sinus;Congdon;Anat. Rec.,1920
5. Epithelial Rests in the Region of the Palatinal Papilla of the Upper Jaw;Grohs;J. Dent. Research,1934