[AVANT-GARDE] MURAYAMA Tomoyoshi. KOSEIHA KENKYU. [Research on Constructivism]. Tokyo, Taishô 15 . Third Printing, issued one month after the first. (10),81pp., 31 plates, + finals and ads. Decorated wrappers with cover design by Murayama, printed in red and black. The plates cover works by European and Japanese proponents of Constructivism. An unusual and fragile work, here in its original edition - with the wonderful dinosaur on the cover. Near fine and important.