Home › Authors › John Newton Gibbs 👤 John Newton Gibbs 4 books Books by John Newton Gibbs Dutch Elm Disease Survey, 1972 Dutch Elm Disease Survey, 1972-73 1975 Biology of Dutch Elm Disease Biology of Dutch Elm Disease 1974 Control of Dutch Elm Disease Control of Dutch Elm Disease 1974 Dutch Elm Disease (Ceratocysti Dutch Elm Disease (Ceratocystis Ulmi) 1971