The Dartmouth library acquired a copy of Robert Heron's translation of Niebuhr's work in 1937, therefore this information was not available in its library during the time that the Smith family lived in the town of Lebanon.
The Dartmouth library acquired a copy of Robert Heron's translation of Niebuhr's work (which had information regarding NHM), but not until 1937. Therefore, this information was not available in its library during the time that the Smith family lived in the town of Lebanon.