The word archive, Jacques Derrida tells us, comes from the ancient Greek ἀρχεῖον: arkheion, “the house of the ruler.” When I first learned about this etymology, I was taken with the use of house (a lover of haunted house stories, I’m a sucker for architecture metaphors), but it is the power, the authority, that is the most telling element. What is placed in or left out of the archive is a political act, dictated by the archivist and the political context in which she lives. This is true whether it’s a parent deciding what’s worth recording of a child’s early life or—like Europe and its Stolpersteine, its “stumbling blocks”—a continent publicly reckoning with its past. Here is where Sebastian took his first fat-footed baby steps; here is the house where Judith was living when we took her to her death.