Quasar black hole masses and accretion rates across cosmic time. - Brotherton, Michael; Maithil, Jaya; Myers, Adam; Shemmer, Ohad; Matthews, Brandon; Dix, Cooper; Du, Pu; Wang, Jian-Min; Bergmann, Thaisa Storchi; Forman, William; Overzier, Roderik; Riffel, Rogério (Proceedings of the International Astronomical Union, 2019)