Hugh Chisholm, Edward C. Butler and Walter A. Phillips, 1911 Encyclopædia Britannica (1911)
“ The general applications of the word fall mainly into two groups, in one of which the underlying meaning is that of rule, in the other that of a list or catalogue, i.e. of books containing the rule. Of the first, such uses as that of a standard or rule of conduct or taste, or of a particular form of musical composition (see below) may be mentioned, but the principal example is of the sum of the laws regulating the ecclesiastical body (see Canon Law) . ”
