Historical tracts / by Sir John Davies ; consisting of 1. A discovery of the true cause why Ireland was never brought under obedience of th crown of England. 2. A letter to the Earl of Salisbury on the state of Ireland, in 1607. 3. A letter to the Earl of Salisbury, in 1610; giving an account of the plantation in ulster. 4. A speech to the Lord-Deputy in 1613, tracing the ancient constitution of Ireland. To which is prefixed a new life of the author, from authentic documents