12 1 10 Richards, Jack C. Additional Author Hull, Jonathan Additional Author Proctor, Susan Additional Author mixed material New York CAMBRIDGE UNINERSITY PRESS 1991 Richards, Jack C. Additional Author Hull, Jonathan Additional Author Proctor, Susan Additional Author mixed material 0521376866 UK Cambridge 1991 Richards, Jack C. Additional Author Hull. Jonathan Additional Author Proctor, Susan Additional Author mixed material 0521628741 UK Cambridge University Press 1997 Richards, Jack C. Additional Author Proctor, Susan Additional Author Hull, Jonathan Additional Author mixed material 02162875x UK Cambridge University Press 1997 Richards, Jack C Additional Author Hull, Jonathan Additional Author Proctor, Susan Additional Author mixed material 0521628563 UK Cambridge University Press 1998 Richards, Jack C. Additional Author Proctor, Susan Additional Author Hull, Jonathan Additional Author mixed material 0521628385 UK Cambridge University Press 1998 Richards, Jack Additional Author Hull, Jonathan Additional Author Proctor, Susan Additional Author mixed material 05216284x UK Cambridge University Press 1998 Richards, Jack C Additional Author Hull, Jonathan Additional Author Proctor, Susan Additional Author mixed material 0521628784 UK Cambridge University Press 1997 Richards, Jack C. Additional Author Proctor, Susan Additional Author Hull, Jonathan Additional Author mixed material 0521628628 UK Cambridge 1997 Richards, Jack C. Additional Author Proctor, Susan Additional Author Hull, Jonathan Additional Author mixed material 0521628598 UK Cambridge 1998