Aliases: Robin Aden, Robert W. Brinar, Robby Chipitoff, Bob W. Davis, Frederick Douglass, Anna Riva Hindgrind, Harold Hindgrind, Roberto Herz Kowicz, Robert Marx, Linda Michaels, Robert W. Norman, Robert Norman, Ann A. Rifkin, Anna Riv, Anna Riva, Anna Rivas, Walter D. Roberts, Robert D. Walters, Robert R. Walters
