Canada’s Historic Places / HistoricPlaces.ca Heritage Conservation Resources / Downloadable Publications from HistoricPlaces.ca Standards & Guidelines for the Conservation of Historic Places in Canada Guidelines for Sustainable Rehabilitation of Existing Buildings in Canada Canadian Centre for Architecture (CCA) Library and Archives Canada National Capital Commission | NCC Canadian Association of Heritage Professionals (CAHP) Architecture Canada / Royal Architectural Institute of Canada (RAIC) Canadian Architectural Archives / University of Calgary Society for the Study of Architecture in Canada Dictionary of Architects in Canada National Parks of Canada Electronic Library National Trust for Canada Canada World Heritage Sites ICOMOS Canada | International Council on Monuments and Sites National Air Photo Library: A Mosaic of Historical Imagery of the Ottawa Area from 1933