http://lepah55qyp2fhuwxlz7bwrhzckn4gkuofivnofoeuyfpmke5x2hq.b32.i2p/subject/china/peking-review/1975/PR1975-22b.htm
Nan Ching: For Your Reference: What Is Commodity Production?, Peking Review, #22, May 30, 1975, pp. 11-12. What Is Commodity Production? [This issue of Peking Review is from massline.org