The London Athenæum reviews A Week on the Concord and Merrimack Rivers:
. . . the matter is for the most part poor enough; but there are a few things in the volume, scattered here and there, which suggest that the writer is a man of habit original thinking, which with more careful culture may produce a richer harvest in some future season. The manner is that of the worst offshoots of Carlyle and Emerson.