As JRL said, the keyboard, trackball and port door can be sourced from any PowerBook 140, 145, 145B, 150, 160, 165, 165c, 170, 180 or 180c, as can the bottom case, the part that the mobo and drives are screwed to. However, the top case (the bit with the palmrests, that the keyboard, trackpad, interconnect board, inverter board and display is screwed to) can only be sourced from a PowerBook 165, 165c, 180 or 180c, as they have the internal microphone that other models do not have.