Capital Heritage Connexion (Formerly CHOO/COPO) City of Ottawa / Archives City of Ottawa / General Heritage Information City of Ottawa / Heritage Conservation City of Ottawa / Heritage Conservation Districts City of Ottawa / Heritage Conservation Districts City of Ottawa / Heritage Grant Program for Building Restoration City of Ottawa / Heritage Program City of Ottawa / Interactive Zoning Map + Historical Aerials City of Ottawa / Museums & Historic Sites City of Ottawa / Official Plan Glebe Community Association Gloucester Historical Society Hintonburg Community Association Lindenlea Community Association Lowertown Community Association (LCA) Old Ottawa South Community Association Ottawa Architects 150 / Every Building Has An Architect Ottawa Past & Present | Interactive Map Ottawa Regional Society of Architects Ottawa South History Project Rockcliffe Park Residents Association Rothwell Heights Property Owners Association Sandy Hill / Action Sandy Hill