As wounded soldiers were evacuated from the battlefield for hospital treatment, each was issued a field medical card for identification with a brief diagnosis or assessment; the card was in a window envelope and tied to the individual, with red-edged envelopes used to denote severe or urgent cases.
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Notes:
Wallace, M. Blanche (Mary Blanche), 1892-1979. Scrapbooks, 1916-1924 (inclusive).
Gift of M. Blanche Wallace to the Archives of Harvard Medical School, 1971.
