422
by Peck, Bob
Published 1992
British Broadcasting Corporation (BBC)

423
by Balmès, Thomas
Published 2000
Filmakers Library

424
by Webber, Joel
Published 2007
Addison-Wesley

425
by Dayal, Rajeev
Published 2007
Addison-Wesley

426
by Cromwell, Ray
Published 2007
Addison-Wesley

430
by Guha-Khasnobis, Basudeb
Published 2007
Oxford University Press
Subjects: ...Produce trade / Developing countries...

431
by Alexander, William
Published 1771
printed for T. Becket and P.A. de Hondt, and T. Cadell, in the Strand

432
by Hunt, Thomas
Published 1840
B.D. Cousins
...Which is the best calculated to produce permanent relief to the working classes?...

433
by Gardner, Robert
Published 2005
Documentary Educational Resources

437
Published 1989
The Institute of Electrical and Electronics Engineers, Inc.