The division increased from twelve teams to thirteen, each side playing the others once to make a total of twelve matches each. The bottom two teams would be relegated to National Division 2.
12Ross Young, ed. (1993). "Season by Season Leading Scorers". Courage Official Rugby Union Club Directory 1993–94. Taunton: Tony Williams Publications. p.47.
↑Tony Williams and Bill Mitchell, ed. (1990). "Bath F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.40.
↑Tony Williams and Bill Mitchell, ed. (1990). "Bristol F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.43.
↑Tony Williams and Bill Mitchell, ed. (1990). "Gloucester R.F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.46.
↑Tony Williams and Bill Mitchell, ed. (1990). "Harlequins F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.50.
↑Tony Williams and Bill Mitchell, ed. (1990). "Leicester F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.54.
↑Tony Williams and Bill Mitchell, ed. (1990). "Liverpool St Helens F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.58.
↑Tony Williams and Bill Mitchell, ed. (1990). "Moseley F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.61.
↑Tony Williams and Bill Mitchell, ed. (1990). "Northampton F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.64.
↑Tony Williams and Bill Mitchell, ed. (1990). "Nottingham R.F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.66.
↑Tony Williams and Bill Mitchell, ed. (1990). "Orrell R.U.F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.70.
↑Tony Williams and Bill Mitchell, ed. (1990). "Rosslyn Park F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.74.
↑Tony Williams and Bill Mitchell, ed. (1990). "Saracens F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.78.
↑Tony Williams and Bill Mitchell, ed. (1990). "Wasps F.C. (Ground Details)". Courage Official Rugby Union Club Directory 1990–91 (3rded.). Windsor: Burlington Publishing Co. Ltd. p.82.