McKechnie, William Sharp. Magna Carta: A Commentary on the Great Charter of King John. Glasgow: Robert MacLehose and Co., Ltd. 1905: 136–37 [2012-07-08]. (原始内容存档于2017-01-15).: "The question must be considered an open one; but much might be said in favor of the opinion that 'freeman' as used in the Charter is synonymous with 'freeholder'...."
McKechnie, William Sharp. Magna Carta: A Commentary on the Great Charter of King John. Glasgow: Robert MacLehose and Co., Ltd. 1905: 136–37 [2012-07-08]. (原始内容存档于2017-01-15).: "The question must be considered an open one; but much might be said in favor of the opinion that 'freeman' as used in the Charter is synonymous with 'freeholder'...."