J. Harold Clark has written:
'Growth and composition of the strawberry plant as affected by source of nitrogen and pH value of the nutrient medium' -- subject(s): Strawberries, Nutrition, Composition, Growth
J. Harold Clarke has written:
'Getting started with rhododendrons and azaleas' -- subject(s): Azaleas, Rhododendrons, Varieties
'Growing berries and grapes at home' -- subject(s): Berries, Viticulture
Harold J. Drake has written: 'American Treasure'
Harold J. Heck has written: 'Foreign commerce'
Harold J. Lund has written: 'A man and his bees'
Harold J. Carter has written: 'Intellectual foundations of American education'
Harold J. Kennedy has written: 'Gift of gold' 'Little people'
Ronald J. Clark has written: 'Land reform in Bolivia'
Harold J. Bienvenu has written: 'The patriot' -- subject(s): Protected DAISY
Harold J. Miller has written: 'The effects of integration on rural Indian pupils'
Harold J. Mahoney has written: 'Points for decision' -- subject(s): Youth
J. Maurice Clark has written: 'Economics of planning public works'
J. T. Clark has written: 'The Ojibue conquest; an Indian episode'
John J. Clark has written: 'Capital budgeting' -- subject(s): Capital budget