Robert S Ball has written:
'Natural sources of power'
Robert Steele Ball has written: 'Natural sources of power' -- subject(s): Windmills, Water-power
Robert J. Ball has written: 'Tibullus the elegist' -- subject(s): History and criticism, Latin Elegiac poetry, Rome in literature
Robert G. Watts has written: 'Keep your eye on the ball' -- subject(s): Physics, Baseball, Force and energy
Robert S. Michaelsen has written: '\\'
Robert S Zakanitch has written: 'Robert S. Zakanitch' -- subject(s): Exhibitions
Robert S. Lowrance has written: 'Fountain of youth'
Robert S. Lemon has written: 'Reliefs and Menhirs'
Robert S. Platt has written: 'Latin America'
S. Robert Freede has written: 'Cash for College'
Robert S. Menchin has written: 'The last caprice'
Robert S. Woods has written: 'Naturalist's Lexicon'
Robert C. Ball has written: 'Production of bass and bluegills in Michigan ponds' -- subject(s): Basses (Fish), Bluegill, Fish culture, Fish ponds 'The Red Cedar River report'