1. Benign calcified epithelioma of eyelid;Ashton;Trans. ophthal. Soc. (U. K.),1951
2. Pilomatrixoma of the eyelid and eyebrow;Boniuk;Arch. Ophthal.,1963
3. Sull' epithelioma calcifico benigno di Malherbe;Carbone;Ann. Ophthal.,1965
4. Calcified epithelioma of the skin;Ch'm;Amer. J. Path.,1933
5. Pilomatrixoma;Forbis;Arch. Dermatol.,1961