wɪð hˈeɪfɚd pˈɛɹs ðɪ ˈoʊldɚ bɹˈʌðɚɹ ʌvðə pˈeɪntɚ wˈɔldoʊ pˈɛɹs hiː pˈʌblɪʃt ɪn fɹˈɛntʃ ɐ paɪənˈɪɹɪŋ stˈʌdi ʌv bˈɪzɐntˌiːn ˈɑːɹt, ænd hiː dˈaɪd dʒˈʌst ˈæftɚ kəmplˈiːɾɪŋ hɪz pˈoʊsthjuːməsli pˈʌblɪʃt baɪˈɑːɡɹəfi, ðɪ ˈɛmpɚɹɚ tʃˈɑːɹlz ðə fˈɪfθ.
With Hayford Peirce (the older brother of the painter Waldo Peirce) he published in French a pioneering study of Byzantine art, and he died just after completing his posthumously published biography, The Emperor Charles the Fifth.