Grey Literature

A directory of building product information and product content such as specifications, CAD and BIM.

Contains over 1.4 million records about UK archaeology and the historic environment including 70,000+ unpublished fieldwork reports covering excavations, building surveys, and more. Also lists publications by the Archaeology Data Service.

A collection of North American pre-1964 architectural trade publications, house plan books and technical building guides.

A collection of digitised images scanned from original slides or drawn from documents in the public domain of buildings and cities.

Allows search by domain, file type, and other beneficial limit functions for searching grey literature.

An open-source online resource developed by the Lincoln Institute of Land Policy, UN-Habitat, and New York University. Content investigates global problems like poverty and spatial inequality, how to create efficient and equitable tax systems, functional land markets, sustainably managed land and water resources, and low-carbon, climate-resilient communities and regions. Includes policy documents, data and more.

Contains digitised plans for many historic buildings. Search for the name of a building or building type etc. with words like “plan” or “drawing”.

View photographs, technical data, colours and textures etc. for building products as endorsed by the Royal Australian Institute of Architects and Design Institute of Australia.