Letter to Tian Jiaying on Proofreading "On Contradiction"
(March 15, 1951)

Comrade Jiaying:
Please send over the original manuscript of "On Contradiction" immediately. ... In all proofreading, the original manuscript must be sent together with the clean proof. Please send over all previous original manuscripts as well.

Mao Zedong
March 15

Published based on the handwritten manuscript.

Note
〔1〕 Tian Jiaying, then serving as Mao Zedong's secretary, participated in the editing work of the *Selected Works of Mao Zedong*.