This set of four books is a rare collection of Selected Articles of Chairman Mao is from the 1951 version, printed in 1963 as 14th edition, prior to the Cultural Revolution. Still published from right to left, and in vertical print, this set of four books were published in the traditional Chinese character format. A young Mao's picture is featured in the books, along with the slogan of "United the world proletarian class!". This book was heavily studied by the original owner, with marks and notations in the book. Inside as a book mark is a borrowing note originated from the owner to her company. Original owner's name was written in ink. Published by People’s Publishing House in 1963. 1.50 Yuan.