I. Aboriginal America. 1889.
II. Spanish explorations and settlements in America from the fifteenth to the seventeenth century. [c1886]
III. English explorations and settlements in North America, 1497-1689. 1885.
IV. French explorations and settlements in North America, and those of the Portuguese, Dutch, and Swedes, 1500-1700. 1884.
V. The English and French in North America, 16891̲763. [1887]
VI-VII. The United States of North America [1763-1850] 1888.
VIII. The later history of British, Spanish, and Portuguese America. 1889.