Frend, W. (1804). The principles of taxation: or contribution according to means: In which it is shewn, that if every man pays in proportion to the stake he has in the country, the present ruinous and oppressive system of taxation, the Custom House, and the Excise Office, may be abolished, and the national debt gradually and easily paid off. printed for J. Mawman. By T. Gillet.

Frend, William. The Principles of Taxation: Or Contribution According to Means: In Which It Is Shewn, That If Every Man Pays in Proportion to the Stake He Has in the Country, the Present Ruinous and Oppressive System of Taxation, the Custom House, and the Excise Office, May Be Abolished, and the National Debt Gradually and Easily Paid off. printed for J. Mawman. By T. Gillet, 1804.