Alle bekende ISBN nummers van Op oorlogspad:
9789464609066 1 Fort Buford (192019 : Dark Dragon Books - Softcover) gbsen79789464609073 2 Paha Sapa (192019 : Dark Dragon Books - Softcover) kd56r89789464609738 3 Little Bighorn River (192026 : Dark Dragon Books - Softcover) e1cbfl9789463731102 1 Fort Buford (192019 : Dark Dragon Books - Hardcover) p4o2kx9789463733144 2 Paha Sapa (192019 : Dark Dragon Books - Hardcover) t60uoy9789463738385 3 Little Bighorn River (192021 : Dark Dragon Books - Hardcover) v8xz7y