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3. The remarkable polymorphism of tumors of the ciliary epithelium. The Norman McAlister Gregg Lecture. Part 1;Zimmerman;Trans Austr Coll Ophthalmol,1970
4. Medulloepithelioma (diktyoma);Canning;Br J Ophthalmol,1988
5. A rare tumor arising from the pars ciliaris retinae (terato-neuroma), of a nature hitherto unrecognized, and its relation to the so-called glioma retinae;Verhoeff;Trans Am Ophthalmol Soc,1904