Stephen Long

1. Kurrer, Karl-Eugen (2008): The History of the Theory of Structures. From Arch Analysis to Computational Mechanics. 1^st edition, Wilhelm Ernst & Sohn Verlag für Architektur und technische Wissenschaften GmbH, Berlin (Germany), ISBN 978-3-433-01838-5, pp. 848.

   https://doi.org/10.1002/9783433600160

2. Kurrer, Karl-Eugen (2018): The History of the Theory of Structures. Searching for Equilibrium. 2^nd edition, Wilhelm Ernst & Sohn Verlag für technische Wissenschaften, Berlin (Germany), ISBN 978-3-433-03229-9, pp. 1024-1025.

   https://doi.org/10.1002/9783433609163

3. Griggs, F. E. / DeLuzio, A. J. (1995): Stephen H. Long and Squire Whipple: The First American Structural Engineers. In: Journal of Structural Engineering (ASCE), v. 121, n. 9 (September 1995), pp. 1352-1361.

   https://doi.org/10.1061/(asce)0733-9445(1995)121:9(1352)

4. Weingardt, Richard G. (2003): Stephen Harriman Long and William Wallace Moore. In: Leadership and Management in Engineering (ASCE), v. 3, n. 3 (July 2003), pp. 161-164.

   https://doi.org/10.1061/(asce)1532-6748(2003)3:3(161)