[1] Political economy and fiscal policy / by Professor Brentano of Munich. 1910. (28, [1] p.) -- [2] Professor Brentano on the German corn duties : a summary / by Dorothy M. Hunter. 1911. (16 p.) -- [3] The influence of protection on agriculture in Germany. 1910. (24 p.) -- [4] The revolt of protectionists in Germany against their own tariff. 1910. (24 p.) -- [5] The policy of dear food : prices of provisions in England and Germany / by Carl von Tyszka. 1910. (24 p.) -- [6] The effect of protection on the standard of living in Germany. 1910. (27 p.) -- [7] The problem of unemployment in Germany / by Otto Most. 1910. (24 p.) -- [8] The German panic / by J. A. Hobson. 1913. (30 p.) -- [9] The revolt of protectionists in the United States against their tariff / by Franklin Pierce. 1910. (18 p.) -- [10] The revolt in Canada against protection ... 1911. (20 p.) -- [11] The empire aspect of preference / by Senator Pulsford of Australia. 1910. (30 p.) -- [12] For an arrest of armaments : a note for the second Hague conference / by G. H. Perris. 1906. (24 p.) -- [13] Protection and corruption / by G. H. Perris. 1910. (19 p.) -- [14] How protection grows / by G. H. Perris. 1910. (28 p.)