The world of Gainsborough, 1727-1788 / by Jonathan Norton Leonard / a. the editors of Time-Life b. ; [consult. ed. H.W. Janson]. - New York : Time-Life b., [c.1969]. - 192 p. : ill. ; 31 cm.см.. - (Time-Life library of art). - მოთავსებულია მუყაოს ყუთში. - ბიბლიოგრ. გვ. 187[MFN: 42149]
Ancient America / by Jonathan Norton Leonard ; a. the editors of Time-Life b. ; [ed. Maitland A Edey]. - New York : Time Incorp., [c.1967]. - 192 p. : ill. ; 27 cm.см.. - (Great Ages of Man : A history of the world's cultures). - ბიბლიოგრ. გვ. 186[MFN: 42463]
Early Japan / by Jonathan Norton Leonard ; a. the editors of Time-Life b. ; [ed. Maitland A Edey]. - New York : Time Incorp., [c.1968]. - 191 p. : ill. ; 27 cm.см.. - (Great Ages of Man : A history of the world's cultures). - ბიბლიოგრ. გვ. 186[MFN: 42464]
Planets / by Carl Sagan, Jonathan Norton Leonard ; and the editors of Life ; ed.: William K. Goolrick, Leon Greene ; introd. by Gerard P. Kuiper ; des. Edwin Taylor. - New York : Time-Life b. inc., [c.1966]. - 200 p. : ill. ; 28 cm.см.. - (Life Science Library). - ბიბლიოგრ. გვ. 196[MFN: 44551]
Atlantic beaches / by Jonathan Norton Leonard ; a. the ed. of Time-Life Books Hedley Donovan (ed.-in-chief). - New York : Time-Life Books, 1972. - 184 p. : ill. ; 26 cm.см.. - (American wilderness / ser. ed. Charles Osborne). - ბიბლიოგრ.: გვ. 180[MFN: 44977]