Sheldon, John M A manual of clinical allergy by John M. Sheldon, Robert G. Lovell and Kenneth P. Mathews - 2d ed. - Philadelphia W. B. Saunders 1967 - xiii, 550 p. : ill., maps. ; 24 cm. ISBN: 0721682103 LCCN: 67-010733 Subjects--Topical Terms: Allergy