01050cam a2200301 i 4500 2197369 BD-DhUL 20150112145507.0 741212s1974 enkb b 001 0 eng 73082451 GB*** 0521202698 : £6.60 ($19.50 U.S.). 0521098432 DLC DLC DLC BD-DhUL S439 .G788 630 GRA Grigg, David B. The agricultural systems of the world : an evolutionary approach / D. B. Grigg. London ; New York : Cambridge University Press, c1974. ix, 358 p. : maps ; 24 cm. Includes index. Bibliography: p. 308-343. Agricultural geography. Agriculture History. Publisher description http://www.loc.gov/catdir/description/cam032/73082451.html Table of contents http://www.loc.gov/catdir/toc/cam031/73082451.html 7 cbc orignew 2 opcn 19 y-gencatlg ddc BK 29830 29830 0 0 ddc 0 630_000000000000000_GRA 0 NFIC 56635 DUSL DUSL GEN 2015-01-12 Purchased 630 GRA A258286 2015-01-12 2015-01-12 BK