doi:10.7916/d8-e0j2-wq13[Addition and alterations] to residence of R. R. Blacker, Esq., at Pasedena, CalGreene & Greenepicturesstill imageHousesAdditionsAlterationsGrillesArchitecture--United StatesPasadena (Calif.)Robert Roe Blacker House (Pasadena, Calif.)Blacker-Hill house (Pasadena, Calif.)