1. Classification of retinal lesions in the presence of vascular hypertension;Wagener;Tr. Am. Ophth. Soc.,1947
2. Anatomy of the finer retinal vessels and some observations on their significance in certain retinal diseases;Michaelson;Tr. Ophth. Soc. U. Kingdom,1940
3. Hypertensive retinopathy;Bjork,1947