National Geographic Atlas of the fifty United States / Complied and Drawn in the Cartographic Division of National Geographic Society ; Ed. Melville Bell Grosvenor ; Chef Cartographer James M. Darley ; Text by Jules B. Billard. - 1:15206400. - [S.l.] : National Geographic Society, [1960] (Baltimore : A. Hoen & Company). - 73 p. : col. + 1 p. map ; 49x32 cmсм.. - 150 GEL[MFN: 15650]

UDC: 912.44(084.3-16)(73)

• Billard, Jules B.;  Grosvenor, Melville Bell (Ed.);  Darley, James M. (Cartogr.); 
• Cartographic Division of National Geographic Society; 

GK 19246 - კარტოგრაფიის განყოფილება