Survey of London: Volume 14, St Margaret, Westminster, Part III: Whitehall II. Originally published by London County Council, London, 1931.
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'Plate 69: Elevation to Whitehall of Board of Trade and Privy Council Offices (Soane), detail', in Survey of London: Volume 14, St Margaret, Westminster, Part III: Whitehall II, ed. Montagu H Cox, G Topham Forrest (London, 1931), British History Online https://prod.british-history.ac.uk/survey-london/vol14/pt3/plate-69 [accessed 21 February 2025].
'Plate 69: Elevation to Whitehall of Board of Trade and Privy Council Offices (Soane), detail', in Survey of London: Volume 14, St Margaret, Westminster, Part III: Whitehall II. Edited by Montagu H Cox, G Topham Forrest (London, 1931), British History Online, accessed February 21, 2025, https://prod.british-history.ac.uk/survey-london/vol14/pt3/plate-69.
"Plate 69: Elevation to Whitehall of Board of Trade and Privy Council Offices (Soane), detail". Survey of London: Volume 14, St Margaret, Westminster, Part III: Whitehall II. Ed. Montagu H Cox, G Topham Forrest (London, 1931), British History Online. Web. 21 February 2025. https://prod.british-history.ac.uk/survey-london/vol14/pt3/plate-69.
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Soane's design of elevation to Whitehall of Board of Trade and Privy Council Offices