Observations on the income tax, setting forth its injustice and impolicy, its oppressive and degrading nature : with an earnest appeal to merchants and manufacturers, and to professional men of every class, to unite in a respectful but firm remonstrance to the throne, claiming the fulfillment of the solemn pledge which has been given for its discontinuance at the close of the war, and praying that it may never more by revived / by a citizen of London.