Abstract
The spectroscopic data are presented for a complete sample of faint optically selected quasars extracted from the quasar candidates published by Marano et al. (1988, MNRAS, 232). These data, obtained at the ESO 3.6-m and the Anglo-Australian telescopes, have provided a sample of 54 confirmed quasars with J ≤ 22.0. Fifty-two of them constitute a complete sample and provide the highest surface density of spectroscopically confirmed quasars measured so far (115.0 ± 16.5 per square degree). Splitting the sample into two redshift ranges (z < 2.2 and ≥ 2.2), the corresponding surface densities at J ≤ 22.0 are 86.3 ± 14.5 and 28.7 ± 8.4
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