In New Ways of Gravure by Stanley William Hayter in 1949
No name of Yozo Hamaguchi in the index, no image by him
Describe MEZZOTINT
In About Prints by Stanley William Hayter in 1962
Name of Yozo Hamaguchi in the index, with an b&w image of color print by him
But may be not mentioned about him. (* Need check it)
Describe MEZZOTINT
In New Ways of Gravure by Stanley William Hayter in 1966
No name of Yozo Hamaguchi in the index, no image by him
Describe MEZZOTINT
In New Ways of Gravure by Stanley William Hayter in 1981
No name of Yozo Hamaguchi in the index, but with an color image by him
Mentioned the name of Yozo Hamaguchi, Avati and Hwang in a new added text.
