The series of plates designed as a t...
Shinobu Ishihara
Ishihara's Tests For Colour Deficien...
ISHIHARA'S TESTS FOR COLOUR-BLINDNES...
Dr. Shinobu ISHIHA...
Ishihara's tests for Color-Blindness...
The Pacific World
Alfred; articles b...
TESTS FOR COLOUR-BLINDNESS
SHINOBU ISHIHARA