COULLS, Anthony. Railways as World Heritage Sites. (with contributions by Colin Divall and Robert Lee) International Council on Monuments and Sites (ICOMOS), 1999
The article discusses various case studies:
The Moscow Underground
The Semmering Pass, Austria
The Baltimore & Ohio Railroad, United States of America
The Great Zig Zag, Australia
The Darjeeling Himalayan Railway, India
The Liverpool & Manchester Railway, United Kingdom
The Great Western Railway, United Kingdom
The Shinkansen, Japan