various datasets for z>5 QSO survey original 17-04-97 rgm/akarkut deg^2 Priority Primary z>5 dataset Lockman-a 0.50 VIZ 1 Lockman-b 0.50 VIZ 1 sa57-a 0.50 VIZ 1 sa57-b 0.50 VIZ 1 Groth Strip 0.50 BIZ 1 Total 2.50 z>4 dataset SA57 A [0.50] BR 1 plot R v B-R Groth Strip [0.50] BR 1 HIZSN 0.25 VRI 2 (LBL CTIO data) Coma-center 0.50 BR 3 Coma-2 0.50 BR 3 Coma-3 0.50 BR 3 z>4 and z>5 1533p33-A 0.50 BR(INT) IZ(MCCD) 4 1533p33-B 0.50 BR(INT) IZ(MCCD) 4