By Rand, Ayn..
New York New American Library 1971 .
693 p. , "A Bobbs-Merrill Book."

By Rand, Ayn..
New York New American Library 1971 .
ix, 204 p.

By Rand, Ayn..
New York Random House 1961 .
242 p. 21 cm..

By Rand, Ayn..
[New York] New American Library 1966 .
ix, 309 p. , "Most of the essays ... appeared originally in the Objectivist." 22 cm..

By Rand, Ayn..
Buenos Aires Grito Sagrado 2003 .
1113 p. 23 cm..
9872095108