Vaughan, Kathleen Olga The Purdah system and its effect on motherhood/ Kathleen Olga Vaughan - Cambridge: W. Heffer, 1928 - xv, 48 p.; 19 cm. Subjects--Topical Terms: Osteomalacia--India--KashmirBones--DiseasesVitamin D deficiency Dewey Class. No.: 616.715