Statistics for occurrence #1 of “Mark Twain” in chapter 1.8 of Cambridge History of American Literature: volume 2:
...itions of the frontier, long drew its principal inspiration from the differences between that frontier and the more settled and compact regions of the country, and reached its highest development in Mark Twain , in his youth a child of the American frontier, admirer and imitator of Derby and Browne, and eventually a man of the world and one of its greatest humorists.
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