Chapter 12: Roman Engineering

_American Architect_ 98 (Oct. 5, 1910), 113–118 (Pennsylvania
Station)

W. J. Anderson, R. P. Spiers, and T. Ashby, _The Architecture of
Ancient Rome_ (London, 1927), 99–113 (Baths)

T. Ashby, _Aqueducts of Ancient Rome_ (Oxford, 1935)

Van Wyck Brooks, _The Dream of Arcadia_ (New York, 1958), 239 ff.

R. J. Forbes, _Notes on the History of Ancient Roads and their
Construction_ (Amsterdam, 1934), 115–168

M. W. Frederiksen and J. B. Ward Perkins, “The Ancient Road Systems
of the Central and Northern Ager Faliscus,” _Papers of the
British School at Rome_ 12 (1957), 67–208

H. S. Jones, _Companion to Roman History_ (Oxford, 1912), 40–49
(Roads)

L. Mumford, “The Disappearance of Pennsylvania Station,” _New
Yorker_ 34 (June 7, 1958), 106–113

H. Plommer, _Ancient and Classical Architecture_ (London, 1956),
338–344 (Baths)

Sir Albert Richardson, R.A., Letter to New York _Times_, Mar. 1,
1959

I. A. Richmond, _The City Wall of Imperial Rome_ (Oxford, 1930)

G. H. Stevenson, “Communications and Commerce,” in _The Legacy of
Rome_ (ed. C. Bailey, Oxford, 1923), 141–172

E. B. Van Deman, _The Building of the Roman Aqueducts_ (Washington,
1934)

C. C. Van Essen, “The Via Valeria from Tivoli to Collarmele,”
_Papers Br. Sch. at Rome_ 12 (1957), 22–38