2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/5243We present a progress report on a project whose goal is to improve both the precision and accuracy of everberation-based black-hole masses. Reverberation masses appear to be accurate to a factor of about three, and the black-hole mass/bulge velocity dispersion relationship appears to be the same in active and quiescent galaxies.4 pages, 1 figure. To be published in "Active Galactic Nuclei: from Central Engine to Host Galaxy", ed. S. Collin, F. Combes, and I. ShlosmanAstrophysicstext