by Agerlid, Gunilla [editor].
by Borlaug, Norman E.
by Hofsten, Bengt von; Bergkvist, Peter [editor].
by Wortman, Sterling | Cummings, Ralph.
by Lappé, Frances Moore | Collins, Joseph.
by Sprague, Ernest W | Finlay, Keith W.
by Marlowe D. Thorne [editor].
by Paddock, William and Paul.
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