W. & A.K. Johnston & G.W. Bacon Limited. Johnsoton and Bacon Publishers. Map on both sides. Recto: Side 1: Central = centre = Zentrum. (1:15,840), Inset: "underground". Verso: Side 2: Routes through = Routes a travers Londres = mit dem Auto durch London"(1:63,360). Ancillary map: "Plan of central Heathrow" (1:24,690). With street index. London guide in English, French and German. ISBN: 0717941752.