"Race deterioration." . . . . . . . . "Race decadence an examination of the causes of racial degeneracy in the United States" . . "Race decadence an examination of the causes of racial degeneracy in the United States"@en . . "Race Decadence" . . . . . . "Race Decadence : an examination of the causes of racial degeneracy in the U.S" . "Race decadence : an examination of the causes of racial degeneracy in the United States"@en . "Race decadence : an examination of the causes of racial degeneracy in the United States" . . . . "Race Decadence. An examination of the causes of racial degeneracy in the United States ... Illustrated"@en . . . . . . "Public Health." . . . .