Which novella, published in book form in 1902, follows Marlow up the Congo River to find the ivory trader Kurtz?

In 1901, Leon Czolgosz assassinated which president? "Up from Slavery" (1901) is the autobiography of which educator? Who became president of the United States in 1901? Which author (1902–1968) wrote about a road trip with his poodle Charley and took a novel's title from Burns's "best-la… The line "He said he would shoot me unless I gave him the ivory and cleared out of the country" appears in which 1902 J… Which 1902 novella ends with Kurtz's dying words, "The horror! The horror!"? Which organization, founded in Chicago in 1902, still helps motorists today? Which author (1903–1950) wrote the allegory in which farm animals overthrow their human owner?