He spent decades as a magazine editor and wrote an acclaimed history of small-town America, as well as biographies of the novelists Theodore Dreiser and Sinclair Lewis.
He excavated a treasure hoard of manuscripts by George Gershwin, Cole Porter, Richard Rodgers and others that were found in a warehouse in Secaucus, N.J.
The Library Company of Philadelphia, created in 1731 by Benjamin Franklin, has received a gift of 1,500 volumes about sexuality dating back to the 17th century.
His five-volume “Children of Crisis” series, published between 1967 and 1977, drew on his conversations with American children whose voices were not often heard.