{40} George Peabody Gooch,
{41} Frederick Jackson Turner,
{42} Peter D. Salins,
{43} Richard T. Gill, Nathan Glazer, and Stephen A. Thernstrom,
{44} Campbell Gibson, «The Contribution of Immigration to the Growth and Ethnic Diversity of the American Population»,
{45} Richard Hofstadter, quoted in Hans Kohn,
{46} Benjamin Franklin quoted in Kohn,
{47} Jürgen Heideking, «The Image of an English Enemy During the American Revolution», in Ragnhild Fiebig-von Hase and Ursula Lehmkuhl, eds.,