P. Spencer has written:
'Microprocessor based position control system'
'Politics of belief in nineteenth-century France'
Spencer Short has written: 'Tremolo'
C. P. Spencer has written: 'The child in the physical environment' -- subject(s): Child development, Cognition, Environment, In infancy & childhood, Orientation, Space perception, Space perception in children, Spatial behavior
Spencer Bayne has written: 'Agent extraordinary'
Spencer Knight has written: 'Duel at Freemark'
John Spencer has written: 'Linguistics and style'
Thomas Spencer has written: 'Appeals to the heart'
Peter Spencer has written: 'Samuel Greg'
Ellen Spencer has written: ''And the Lord said''
Spencer Boudreau has written: 'Catholic education'
John Spencer Hill has written: 'Keats'
Spencer LeMarchant Moore has written: 'Aurelian'
Si Spencer has written: 'John Constantine, hellblazer'