Report of the examination of 27,927 school children for color-blindness
By: by B. Joy Jeffries
Contributors: Tweedy, John, 1849-1924, former owner; Royal College of Surgeons of England
Series: School document -- no. 13.
Publisher: Rockwell and Churchill, city printers
Published: 1880
Place of publication: Boston
Language: eng
Subjects: Schools; Color Vision Defects, epidemiology
Notes: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

The Royal College of Surgeons of England.