The 6C survey covers most of the northern hemisphere above a declination of 30њ, but generally away from the Galactic plane, at 151 MHz, with a resolution of 4.2?4.2 cosec(declination) arcmin 2 (EW?NS). ... I: declination > 80њ, 0 h < right ascension < 24 h . ... 1985, MNRAS, 217, 717. ... Hales et al. 1988, MNRAS, 234, 919. ... The published papers contain source lists and images on microfiche. Versions of these papers with the lists and images on paper are available on request from MRAO. ...