Complete the title of Robert Browning's 1842 dramatic monologue: "My Last ___".

Which 1840 memoir by Richard Henry Dana became one of the most popular accounts of life at sea? 1840s guidebooks led emigrants from Independence, Missouri, to Oregon's Willamette Valley along which trail? In which 1841 novel, the last of Cooper's Leatherstocking Tales, is Natty Bumppo a young man? Which pair's nicknames included "Tippecanoe" and "His Accidency" in 1841? Complete the title of Edgar Allan Poe's tale: "___ and the Pendulum". Which U.S. president lived from 1843 to 1901? Which 1843 story begins "Marley was dead: to begin with"? John Lloyd Stephens' 1843 "Incidents of Travel in Yucatan" described the ruins of which civilization?