spɹˈɪŋɚɹ ʌnsəksˈɛsfəli tʃˈælɪndʒd ðə fˈɛdɚɹəl ˈɪŋkʌm tˈæks lˈɛvid dˈʊɹɹɪŋ ðə sˈɪvəl wˈɔːɹ ɪnðə kˈeɪs ʌv spɹˈɪŋɚ vˈiː. juːnˈaɪɾᵻd stˈeɪts.
Springer unsuccessfully challenged the federal income tax levied during the Civil War in the case of Springer v. United States.