Mellanby, Helen., M.D., Ph.D. (foreword by) L.E.S. Eastham, M.A., M. SC. books & textbook
Animal Life in Fresh Water: a Guide to Fresh-Water Invertebrates
Mellanby, Helen., M.D., Ph.D. (foreword by) L.E.S. Eastham, M.A., M. SC.
Methuen /1963T Hardcover / 308 Pages