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January 1957 · index test
The register's floor opens the next index year after the flap years, and this section opened it: the Blue Book index and unknowns literature for 1957 were searched for a South Bend, Mishawaka or township entry in January 1957. None surfaced in the open indexes reached — no Unknown of that month and place stands in Berliner's compilation, and no county case of January 1957 is carried in the NICAP chronologies searched. The year's great Indiana-adjacent events belong to the November 1957 national flap, not to this county's January. Verdict: tested negative at index strength. Named gap: the case-file series itself, NARA microfilm T-1206 as browsed on Fold3, is the settling instrument for a January 1957 county report filed under a neighbouring place-name; the open indexes are searched whole and are empty.
Searches shown in the article: Berliner's Blue Book unknowns compilation and the NICAP chronologies, read for January 1957 Indiana entries.