BOB读世界史：早期现代史

79-The World of Forty-Nine (A World of Unrest)

78-The World of Forty-Nine (The Gold Rush)

77-New Zealand and Her Rulers (The New Zealand Wars)

76-New Zealand and Her Rulers (The Treaty of Waitangi)

75-Mexico and Her Neighbor (The Mexican-American War)

74-Mexico and Her Neighbor (Remember the Alamo)

73-China Adrift (The First Opium War)

72-American Tragedies (Nat Turner's Revolt)

71-American Tragedies (The Trail of Tears)

70-Trouble Africa (The Boers and the British)