For publication year search option, replace symbols ">" ">=" "<" "<=" with the wording-- or add behind the symbols.
The publication year search option drop-down list includes "Equals," "In," "Not Equals," and "Not In"-- and the SYMBOLS for less than, more than, etc. Replacing the symbols with the wording would add consistency (as well as clarity for those of us who haven't had a math class for, ahem, several decades). For example, replacing ">" with "Greater Than" and replacing ">=" with "Greater Than or Equal To."
Alternatively, add the wording behind the symbols when only the symbol is listed, and add the symbols when there is only the wording.

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