Cagle, Philip T., Allen, Timothy C.
Wolters Kluwer
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Encyclopaedia Britannica, Istituto geografico De Agostini
Encyclopaedia Britannica
|
Gartner, Leslie P., 1943-
Wolters Kluwer
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Justus Perthes (Firm : Gotha, Germany), Habenicht, Hermann, 1844-1917, Wichmann, Hugo, 1852-1932
Justus Perthes
|
Voisin, Russell L., 1932-, Rand McNally and Company
R. McNally
|
National Geographic Society (U.S.), Shupe, John F.
National Geographic Society
|
Peris-Celda, Maria, Martinez-Soriano, Francisco, Rhoton, Albert L., 1932-, Valverde, Alfonso Amador, Martí, Vicent …
Thieme
|
National Geographic Society (U.S.), Shupe, John F.
National Geographic Society
|
Encyclopaedia Britannica, Inc., Rand McNally and Company
Encyclopædia Britannica
|
Times Books (Firm), John Bartholomew and Son
Times Books
|
Fogo, Agnes B., Kashgarian, Michael
Elsevier
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Kidron, Michael, Segal, Ronald, 1932-
Simon & Schuster
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