1. Primary carcinoma of the lacrimal sac;Spratt;Arch Ophthalmol,1937
2. Diseases of the lacrimal passages – tumours and pseudotumours;Duke-Elder,1974
3. Tumors of the lacrimal sac;Jones;Am J Ophthalmol,1956
4. Tumoren des Traensackes;Radnot;Ophthalmologica,1966
5. The pathology of tumours of the lacrimal sac;Harry;Trans Ophthalmol Soc UK,1968