hiː kəntˈɪnjuːd tə ɹᵻsˈɜːtʃ ðə lˈæst pˈɑːɹt ʌvðə nˈaɪntiːnθ sˈɛntʃɚɹi ænd ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti θɹˈiː ɹˈoʊt ɐ bˈʊk ˌɔn lˈaɪənəl dʒˈɑːnsən.
He continued to research the last part of the nineteenth century and in 1953 wrote a book on Lionel Johnson.