(德文)Rübelitorte (Culinary Heritage of Switzerland) (页面存档备份,存于互联网档案馆) Dessert in the LandofPlenty: A History of Carrot Cake in America (Guernica Magazine) (页面存档备份,存于互联网档案馆)
Derek(英语:德里克·沃爾), (1994) Green History: A Reader. London, Routledge, pgs. 9-14. Jan Marsh. Back to the Land: The Pastoral Impulse in England, 1880-1914 [回歸田園:田野對英格蘭的衝擊,1880至1914年]