"Varieteter, sorter" . . "Varieties" . . "Species" . . . . . . . . . . "The development of New Varieties; The sweet orange; The mandarin; The grapefruit; The pummelo; The lime; The ciron; The kumquat and limequat; The sour or bitter orange; Citrus rootstocks." . . . . . "Citrus varieties of the world an illustrated guide"@en . . . "Citrus varieties of the world : an illustrated guide" . . . "Citrus varieties of the world : an illustrated guide"@en . . . . . "Citrus varieties of the world" . "Citrus varieties of the world"@en . . . . . . . . . . . "The development of new varienties; Sweet orange; Mandarin; Grapefruit; Pummelo; Lemon; Lime; Citron; Kumquant and limequat; Sour or bitter orange; Citrus rootstocks." . "Production" . . "agrume [guide]" . . "Citrusfrugt" . . "History" . . "Arter" . . "Hybrids" . . "Citrus fruits" . . "Hybrider" . . . . "Produktion" . . "Historie" . .