Robert L. Gropper has written:
'Comprehension of narrative passages by fourth-grade children as a function of listening rate and eleven predictor variables'
George L. Gropper has written: 'Managing problem behavior in the classroom'
Robert L. Brown has written: 'Robert L. Brown'
Robert L. Yates has written: 'When I was a harvester'
Robert L. Bunting has written: 'Into Oblivion'
Robert L. Delavoy has written: 'Bruegel'
Robert L. Covington has written: 'The War Diaries of Sgt. Robert L. Covington'
Robert L. Ory has written: 'Plant Proteins'
Robert L Hardgrave has written: 'The Nadars of Tamilnad'
Robert L. Willett has written: 'Russian sideshow'
Robert L. Chamberlain has written: 'George Crabbe'
Robert L. Hansen has written: 'Froissarts Kroenike'
Robert L. Souhami has written: 'Textbook of Medicine'