... The current SNR catalogue is at http://www.mrao.cam.ac.uk/surveys/snrs/ . ... A remnant, G353.9-2.0, identified in the NRAO VLA Sky Survey radio data (see Condon et al. 1998) by Green (2001), who presented improved radio observations of this nearly circular shell SNR. ... It should also be noted that some radio continuum and H I loops in the Galactic plane (see, for example, Berkhuijsen 1973) may be parts of very large, old SNRs, but they have not been included in the catalogue (see also Combi et al...