The Economist published a report titled "The Bread Line" analyzing global poverty distributions and consumption levels in developing countries.
If you meant an academic or journalistic "paper" (an article or essay), here are several high-impact options: bread line
A 1900 novel that follows four bohemians in New York City trying to start their own weekly publication (the "paper"). The Economist published a report titled "The Bread
One of the most notable "papers" (in the sense of a literary work or story) on this topic is by Albert Bigelow Paine . bread line
"On the Bread Line: Oral Records of Poverty" by Graeme Brewer is a significant academic resource that uses oral histories to document the lived experience of poverty.