One document holder containing part two of a monograph on the endocrine glands produced by Elizabeth Mason. The monograph is composed of type-written pages interspersed with illustrative dry mounted photographs of patients. This part contains sections on 'Parathyroid', 'Pancreas', 'Thymus', 'Suprarenal', 'Sex Glands' and 'Appendix'. There is also a copy of Mason's article "Some Aspects of Positioning and Standardization in Endocrinology" reprinted from 'Medical & Biological Illustration' vol XIV, 1963 which was loose in the original ring binder. Some of the photographs have patient names and dates on the reverse.