Historic England: Viewfinder: Nigel Temple Postcards
http://viewfinder.historicengland.org.uk/search/results.aspx?index=0&form=advanced&collection=Nigel%20Temple%20postcards

Historic England Archive: Nigel Temple Records
http://archive.historicengland.org.uk/results/Results.aspx?t=Quick&l=exact&cr=nigel%20temple&io=False&so=refnum

Nigel Temple Collection
http://discovery.nationalarchives.gov.uk/details/rd/87e6ca24-ac01-4151-90a7-1331b990be80

The Gardens Trust
http://thegardenstrust.org/

Gloucestershire Gardens & Landscape Trust
http://www.gglt.org/

Royal Institute of British Architects RIBA Collections Library, Victoria and Albert Museum, London
http://riba.sirsidynix.net.uk/uhtbin/cgisirsi/x/SIRSI/0/5

The University of Manchester Library: Special Collections: The Nigel Temple Papers
http://www.library.manchester.ac.uk/search-resources/guide-to-special-collections/atoz/nigel-temple-collection/

The Farnham Building Preservation Trust
http://www.farnhamtrust.org.uk/

The Wilson, Cheltenham Art Gallery
http://www.cheltenhammuseum.org.uk

Gloucestershire Archives
http://ww3.gloucestershire.gov.uk/CalmView/Overview.aspx?src=CalmView.Catalog

Royal Horticultural Society RHS
https://www.rhs.org.uk/

Folly Fellowship
http://www.follies.org.uk/

Cheltenham Group of Artists
http://www.cheltenhamgroupartists.org/

Cheltenham Civic Society
http://www.cheltenhamcivicsociety.org.uk/

Farnham Society
http://farnhamsociety.org.uk/

Georgian Group
https://georgiangroup.org.uk/

Vernacular Architecture Group
http://www.vag.org.uk/

Blaise Hamlet
https://www.nationaltrust.org.uk/blaise-hamlet