These stories have come to me from many sources—some from my own experience, others from settlement workers, still others from the records of organized charity, that are never dry, as some think, but alive with vital human interest and with the faithful striving to help the brother so that it counts. They have this in common, that they are true. For good reasons, names and places are changed, but they all happened as told here. I could not have invented them had I tried; I should not have tried if I could. For it is as pictures from the life in which they and we, you and I, are partners, that I wish them to make their appeal to the neighbor who lives but around the corner and does not ...

How the Other Half Lives: Studies Among the Tenements of New York (1890) was a pioneering work of photojournalism by Jacob Riis, documenting the squalid living conditions in New York City slums in the 1880s. It served as a basis for future muckraking journalism by exposing the slums to New York City’s upper and middle class. The title of the book is a reference to a phrase of François Rabelais, who wrote in Pantagruel: "one half of the world does not know how the other half lives".