机读格式显示(MARC)

• 000 01567cam 2200349 a 4500

• 000 1000082096

• 001 0000305784

• 005 20070508160729.0

• 008 800625s1937 paua b f000 0 eng

• 010 __ |a 41004352

• 020 __ |c CNY10.00

• 040 __ |a Catholic Univ. of America. Library |c WMUW |d DLC

• 042 __ |a premarc

• 050 00 |a S441 |b .N3 no. A-1

• 090 __ |a S566.3/MLK

• 093 __ |a S566.3 |2 4

• 100 1_ |a Macy, Loring K.

• 245 10 |a Changes in technology and labor requirements in crop production : |b sugar beets / |c by Loring K. Macy ... [etal.].

• 260 __ |a Philadelphia, Pa., |c 1937.

• 300 __ |a xv, 48 p. : |b ill. ; |c 26 cm.

• 490 0_ |a National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques. |a Studies of changing techniques and employment in agriculture. [Report no. A-1]

• 500 __ |a Issued also in Changes in technology and labor requirements in crop production: vegetables, potatoes, sugar beets (National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques) [1937-39]

• 500 __ |a Series title in part also on t.p.

• 500 __ |a Photoprinted.

• 504 __ |a Includes bibliographical references.

• 650 _0 |a Farm mechanization |z United States

• 650 _0 |a Beets and beet sugar |z United States.

• 650 _0 |a Agricultural laborers |z United States

• 901 __022007000792

• 905 __ |a CAU |f S566.3/MLK |b E0210455(or.)

• 907 __ |a CAU |f S566.3/MLK |b E0210455(or.)

• 999 __ |t C |A gxr |a 20070314 16:07:58 |I wzhlc |i 20070508 16:07:29 |G wzhlc |g 20070508 16:07:4