Robert M. Duffy has written:
'Of sheep and girls'
Framcis M. Duffy has written: 'Redesigning America's schools'
M. J. Duffy has written: 'An introduction to Thomas Hardy and his work'
M. C. Duffy has written: 'Electric railways 1880-1990' -- subject(s): Electric railroads, Electrification, History, Railroads
M. N. Duffy has written: 'In your lifetime' -- subject(s): World politics 'Flight' -- subject(s): Aeronautics, Astronautics, Juvenile literature
Robert M. Maciver has written: 'Society'
Robert M. Lampkins has written: 'Robert M. Lampkins, the contracting business'
Robert M. Coates has written: 'En femfemma'
Robert M. Counahan has written: 'Language alive!'
Robert M. Ball has written: 'Insuring the essentials'
Robert M. Hammond has written: 'Creative French'
Robert M. Taber has written: 'Faire L'Amour'
Robert M. Langdon has written: 'American foreign policy'