Essential Batman Encyclopedia, The (Greenberger, Robert) (2008) (388p+44p)

MF205-DC Heroes-Batman Sourcebook

Original Encyclopedia of Comic Book Heroes, The v1-Batman (Fleisher, M.)-searchable (2007)

Tales of the Dark Knight-Batman's First Fifty Years 1939-1989-Cotta Vaz, M. 274p (1989)