This work is built on five years of meticulous research at national archives in Dublin, London, and Belfast and at the Military Archives in Dublin and the Ordnance Survey’s archives at Phoenix Park. The research is enriched by personal interviews and the narratives of those directly involved in this remarkable journey. A list of these sources and a bibliography will appear here:

Andrews, J. H.
“A Paper Landscape, The Ordnance Survey in Nineteenth-Century Ireland”
Oxford at the Clarendon Press, 1975.

Andrews, J. H.
Shapes of Ireland. Maps and their makers 1564–1839
Geography Publications, 1997.

Berggren and Jones
Ptolemy’s Geography: An Annotated Translation of the Theoretical Chapters”
Princeton University Press, 2000.

Borre, Kai
Fundamental triangulation networks in Denmark
Journal of Geodetic Science, 2014, 4:74–86.

Close, Colonel Sir Charles
“The Early Years of the Ordnance Survey
Institution of Royal Engineers, 1926.

Crane, Nicholas
Latitude. The Astonishing Adventure that Shaped the World
Penguin Random House, 2021.

The Economist
The Economist Style Guide
The Economist, 2005.

Gordon, Alan
The Regiment that Mapped the World – The Story of the 42 Survey Engineer”
Regiment Royal Engineers”, 2021

Grann, David
The Wager
Simon & Schuster, 2023.

Haasbroek, N. D.
“Gemma Frisius, Tycho Brahe and Snellius and their triangulations”
Rijkscommissie Voor Geodesie, Kanaalweg 4, Delft, Netherlands, 1968.

Kirwan, Richard
If Maps Could Speak”
Londubh Books, 2010.

O’Cionnaith, Finnian
The Origin of Ireland’s Ordnance Survey: Taxation, townlands and topography.”
Four Courts Press, 2024.

Owen, Tim, and Elaine Pillbeam
Ordnance Survey: Mapmaker to Britain since 1791”
Ordnance Survey, 1992.

Seymour, W. A. (ed.)
“A History of the Ordnance Survey”
Dawson, 1980.

Smith, Adam
An Inquiry into the Nature and Causes of the Wealth of Nations.”
Book I, Chapter I, “Of the Division of Labour.” 1776

Sobel, Dava
Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time
Fourth Estate, London, 1998.

Wainwright, Alfred
“The Eastern Fells”
Frances Lincoln, 2009 Special Edition.