Report of the examination of 27,927 school children for color-blindness
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Publication
1880 - Rockwell and Churchill, city printers, Boston, Massachusetts
Language
English
Word Count
0 words, Guess
Page Count
0 pages
Identifiers
- Open LibraryOL60976180M
- OCLC Control Number38303126
- Library of Congress Control Number07014237
Classifications
- LCCRE921 .J51
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- Report of the examination of 27,927 school children for color-blindness
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