Issue No. 3 of the Japanese journal Libero International. The exact date of publication is unknown, but presumed to be in 1975.
Libero International No.3
The origin of the family, private property and the state - Frederick Engels
Engels' 1884 book focusing on early human history, following the disintegration of the primitive community and the emergence of a class society based on private property. Engels looks into the origin and essence of the state, and concludes it is bound to wither away leaving a classless society.