Report of the examination of 27,927 school children for color-blindness / by B. Joy Jeffries.

  • Jeffries, B. Joy (Benjamin Joy), 1833-1915.
Date:
1880
Catalogue details

Licence: Public Domain Mark

Credit: Report of the examination of 27,927 school children for color-blindness / by B. Joy Jeffries. Source: Wellcome Collection.

Provider: 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.

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    REPORT OF THE EXAMINATION OF 27,927 SCHOOL CHILDREN COLOR-BLINDNESS, BY B. JOY JEFFKIES, A.M., M.D. BOSTON: ROCKWELL AND CHURCHILL, CITY PRINTERS. No. 39 ARCH STREET. 1 8 8 0.