Letters, 1856-1857
Letters, 1856-1857
Letters, 1858
Letters, 1858
Letters, 1860
Letters, 1860
Lake of the Woods, 1874
Boundary Commission, 1875
International Exhibition of Philadelphia planning documents, 1875
Port Hood Coal Mines, 1872
Lectures on physical geography, 1880
Lectures on physical geography, 1880
Poems and Notes from the Literary Club, 1881