[1] Mutual banking : showing radical deficiency of the present circulating medium ... / by William B. Greene. [1895?] (66 p.) -- [2] An appeal to the young / by Peter Kropotin. 1896. (27 p.) -- [3] Herbert Spencer's synthetic philosophy / by Benjamin F. Underwood. [n.d.] (85 p.) -- [4] Evolution and social reform ... / by Hugh O. Pentecost. 1890. (p. 302-318) -- [5] The scope and principles of the evolution philosophy / by Lewis G. Janes. 1889. (26 p.) -- [6] Ernst Haeckel / by Thaddeus B. Wakeman. [1890?] (p. 21-58) -- [7] The philosophy of evolution / by Starr Hoyt Nichols. 1889. (p. [343]-366) -- [8] Co-operation : its laws and principles / [Herbert Spencer]. (The sun ; v.1, no.1) 1885. (28 p.) -- [9] Prohibition, or The relation of government to temperance. [n.d.] (28 p.) -- [10] The reorganization of business. [1885?] (28 p.) -- [11] The financial problem : its relation to labor reform and prosperity ... / by Alfred B. Westrup. 1886. (32 p.)