A good book about trusts, antitrusts and monopoly in it/communication in US is “Master Switch”. https://www.amazon.com/Master-Switch-Rise-Information-Empires/d

A good book about trusts, antitrusts and monopoly in it/communication in US is “Master Switch”. https://www.amazon.com/Master-Switch-Rise-Information-Empires/dp/0307390993 https://www.amazon.com/Master-Switch-Rise-Information-Empire... It talks at length about Bell, but also other monopolists in our field.