por Beer, Ferdinand Pierre, 1915- [autor] | Johnston, E. Russell (Elwood Russell), 1925- [autor] | Cornwell, Phillip J [autor] | Self, Brian P [autor].
por Beer, Ferdinand Pierre, 1915- [autor] | Johnston, E. Russell [autor] | Mazurek, David F [autor] | Cornwell, Phillip J [autor] | Self, Brian P [autor].