Here's a quick follow-up for folks that haven't dug into my overview post on the great Concerned Theatre Japan, which ran from 1969 to 1973.
I separated out the first five pages from each of the three manga in that issue, arguably the first manga ever translated into English! If you dig these teasers, you can download the entire issue below as a convenient PDF:
Sakura Illustrated ("Sakura Gaho") by Akasegawa Genpei 
Red Eye ("Akame") by Shirato Sampei 
The Stopcock ("Nejishiki") by Tsuge Yoshiharu 
[CLICK HERE TO DOWNLOAD THE COMPLETE PDF]