Meyer, A. W. (Stanford Univ.): Journal of Anatomy and Physiology, Vol. 48, Jan., 1914, p. 132—Paper on “Bilateral Absence of the Frontal Sinus”.
2.
Boege: Thesis zur anat. der Stirnhöhlen, Koenigsberg, 1902.
3.
OustonT. G.: Northumberland & Durham Med. Journal, 1910, p. 31, Vol. 18, “Notes on a Case of Absence of Frontal Sinus”.
4.
GoldsmithPerry: Proc. Roy. Soc. Med., London, 1913–1914, Vol. VII—2, Section on Laryngology, p. 201, “Report on Specimen Showing Absence of Both Frontal Sinuses and Frontal Nasal Ducts”.
5.
ShambaughGeorge E. Chicago: Annals of Otology, Rhinology and Laryngology, Vol. 25, 1916, p. 701, “Surgical Anatomy of the Frontal Sinus”.
6.
SchaefferJ. Parsons (from Daniel Baugh Institute of Anatomy, Jeff. Med. College, Phila.): Annals of Surgery, Vol. 64–2, 1916, p. 665, “Anatomy of Sinus Frontalis in Man”.
7.
TurnerLoganA.: Book, “Accessory Sinuses of the Nose,”Edinburgh, 1901, p. 27, Section on “Absence of the Frontal Sinus”.