Kansas City Southern Railway Company v…
“ While it is true that upon a writ of error to a state court we cannot review its decision upon pure questions of fact, but only upon questions of law bearing upon the Federal right set up by the unsuccessful party, it equally is true that we may examine the entire record, including the evidence, if properly incorporated therein, to determine whether what purports to be a finding upon questions of fact is so involved with and dependent upon such questions of law as to be in substance and effect a decision of the latter. ”
