1. Macular detachment associated with congenital pit of the optic nervehead;Ferry;Arch. Ophth.,1953
2. A combined technique of fluorescein funduscopy and angiography of the eye;Gass;Arch. Ophth.,1967
3. Congenital pits in the optic disc and their equivalents (congenital colobomas and colobomalike excavations) associated with submacular fluid;Sugar;Am. J. Ophth.,1967
4. Atlas zur Entwicklungs-geschichte des menschlichen Auges;Bach,1911
5. Ueber die Gruben-oder Lochbildungen der Sehnervenscheibe, ihre Differentialdiagnose und formale Genese;Badtke;Klin. Mbl. Augenh.,1964