Authors:

But suppose we take the noun 'truth': here is a case where the disagreements between different theorists have largely turned on whether they interpreted this as a name of a substance, of a quality, or of a relation.

"Philosophical Papers" by J. L. Austin, James Opie Urmson, Geoffrey James Warnock, 3rd ed., New York: Oxford, (p. 73), 1979.
But suppose we take the noun 'truth': here is a case where the disagreements between different theorists have largely turned on whether they interpreted this as a name of a substance, of a quality, or of a relation.