Chapter

1 IX  |      was left by its northern frontier in less than two hours and
2 IX  |       Omaha, on the Nebraskan frontier—Omaha City, the real head
3 XIII|      capital, and crossed the frontier of the kingdom of Herat,
4 XIII|     thus vanished the Persian frontier and the extensive plains.
5 XIII| northern angle of the Persian frontier, on the shores of a vast
6 XV  |      his nest on the northern frontier of Africa. By the end of
7 XV  |  founded like Laghouat on the frontier of the desert to facilitate
8 XV  |       miles from the northern frontier of the Sahara she crossed
9 XV  |    and almost on the northern frontier of the Sudan. About two