hɪz baɪˈɑːɡɹəfiz ʌv ɡɹˈeɪt fɪlˈænθɹəpˌɪsts ɪŋklˈuːd pɹˈoʊfaɪlz ʌv dʒˈuːlɪəs ɹˈoʊzənwəld, dʒˈɔːɹdʒ ˈiːstmən, ˈælfɹɪd lˈuːmiz, bˈɛndʒəmɪn ɹˈʌʃ, ðə tˈæpæn bɹˈʌðɚz, ænd oʊsˈoʊlə mə kˈɑːɹɾi.
His biographies of great philanthropists include profiles of Julius Rosenwald, George Eastman, Alfred Loomis, Benjamin Rush, the Tappan brothers, and Oseola McCarty.