Riis page from the Open Collections Program at Harvard University. Immigration to the United States, 1789–1930 collection. Davis, Kay. "Documenting 'the Other Half': The Social Reform Photography of Jacob Riis and Lewis Hine" Collection of Photographs by Jacob Riis Text and images from Riis' book How the Other Half Lives Romero Escrivá, Rebeca. Las dos mitades de Jacob Riis. Un estudio comparativo de su obra literaria y fotográfica, volumes 28 and 29 available online. Flash Forward: How the flashbulb changed the face of urban poverty, article on Riis. Jacob A. Riis Museum. 1849 births 1914 deaths American biographers American male journalists American memoirists American photojournalists American portrait photographers Danish biographers Danish emigrants to the United States Danish memoirists Danish photojournalists Five Points, Manhattan People from Ribe Photographers from New York (state) Progressive Era in the United States Social documentary photographers