A brief history of time : from the big bang to black holes / Stephen W. Hawking ; introd. by Carl Sagan ; ill. by Ron Miller. - Toronto [et al.] : Bantam b., [1988]. - x, 198 p. : ill. ; 24 cm.см.. - ISBN 0-553-05340-X[MFN: 32996]
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]