Six occasional sermons upon the following subjects. Sermon I. Of the necessity of religious principles. Sermon II. Of the Degrees of Charity due to Men of different Religious Persuasions. Sermon III. Of the Maintenance due to the Ministers of the Gospel. Sermon IV. Of the Nature of Subscription to Articles of Religion. Sermon V. Of Things belonging to the Peace and Welfare of Nations. Sermon VI. Of moral advantages to be derived from travelling in Italy. By the Rev. Andrew Burnaby, D. D. Vicar of Greenwich, and Late Chaplain to the British Factory at Leghorn.