Několik on-line knih pro dlouhé zimní večery v angl. Nejsou obvykle kompletní, přesto stojí za vidění:
The Genus Citrus:
http://books.google.com/books?id=OLaykf ... SU#PPP1,M1Citrus Fruits and Fruits From the Tropics:
http://books.google.com/books?id=LC4qOy ... Zo#PPP1,M1Breeding Tropical and Subtropical Fruits:
http://books.google.com/books?id=0l2Jns ... 0#PPA84,M1Biology of Citrus:
http://books.google.com/books?id=SmRJnd ... n4#PPP1,M1Diseases of Fruits and Vegetables:
http://books.google.com/books?id=RypnQT ... HU#PPP1,M1Diseases of Tropical Fruit Crops:
http://books.google.com/books?id=tgl_-t ... kM#PPP1,M1Florida's Best Fruiting Plants:
http://books.google.com/books?id=3IUKEc ... Ec#PPP1,M1Rodale's All-new Encyclopedia of Organic Gardening:
http://books.google.com/books?id=_u2i5A ... pb3bI4DWiESeed Storage of Horticultural Crops:
http://books.google.com/books?id=t8ggxM ... x0#PPP1,M1The Citrus Industry in the Sunshine State:
http://books.google.com/books?id=1MPajE ... I4#PPP1,M1The Great Citrus Book:
http://books.google.com/books?id=tsaCbF ... aY#PPP1,M1The Great Exotic Fruit Book:
http://books.google.com/books?id=41JIi5 ... ZQ#PPP1,M1The Organic Gardener's Handbook of Natural Insect and Disease Control:
http://books.google.com/books?id=v5We-H ... 8s#PPP1,M1An Encyclopedia of Dramatic Landscape Plants:
http://books.google.com/books?id=uXpJxg ... mo#PPP1,M1Greenhouses:
http://books.google.com/books?id=rDNQwP ... A1-PA53,M1!!! Ke stažení: Citrus fruits and their culture
http://www.archive.org/details/citrusfr ... 00humerich