This paper is the first in a series based on published values of [Fe/H] for late-type evolved stars. Only results from high-dispersion spectroscopy or related techniques are used. From these data, an "analysis catalog" is to be produced containing mean values of [Fe/H] and accidental errors. Such a catalog was published by Taylor in 1991 and is now to be updated. Basic protocols for selecting and analyzing input values of [Fe/H] are stated here. A procedure is described for calculating

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... temperatures and adjusting input values of [Fe/H] to correspond to those temperatures. Ten other possible [Fe/H] corrections are also mentioned, with three corrections that can be applied being described in some detail. These are (1) corrections for use of nonuniform grids of model atmospheres, (2) corrections for use of solar equivalent widths that are not on the Liège system, and (3) corrections for non-LTE effects.