Uitgevers Helga M. Rogers

Cover for J. A. Rogers · Sex and Race, Volume 1: Negro-caucasian Mixing in All Ages and All Lands -- the Old World (Paperback Book) (2011)

Sex and Race, Volume 1: Negro-ca... (2011)

Cover for J. A. Rogers · Sex and Race, Volume 2: Negro-caucasian Mixing in All Ages and All Lands -- the Old World (Paperback Book) (2012)

Sex and Race, Volume 2: Negro-ca... (2012)

Cover for J. A. Rogers · Nature Knows No Color-line: Research into the Negro Ancestry in the White Race (Paperback Book) (2011)

Nature Knows No Color-line: Rese... (2011)

Cover for J. A. Rogers · From "Superman" to Man (Hardcover Book) (1941)

From "Superman" to Man (1941)