dˈʊɹɹɪŋ hɪz kɚɹˈɪɹ hiː pˈʌblɪʃt ˌoʊvɚ sˈɪksti pˈeɪpɚz, mˈɛnɪəv ðˌɛm dˈiːlɪŋ wɪððə spˈɛktɹə ʌv spˌɛktɹəskˈɑːpɪk bˈaɪnɚɹiz, vˈɛɹɪəbəl stˈɑːɹz, ænd sˈɛfeɪd vˈɛɹɪəbəlz, ɪŋklˈuːdɪŋ ɹˈeɪdɪəl vəlˈɑːsᵻɾi mˈɛʒɚmənts.
During his career he published over sixty papers, many of them dealing with the spectra of spectroscopic binaries, variable stars, and Cepheid variables, including radial velocity measurements.