Topel, Michael. "Ancient Escalator Was a Link to History," The Patriot-Ledger, April 3, 1995. See also King, John (September 2003). "A Matter of Perception: Escalators, Moving Walks, and the Motion of Society". In Goetz, Alisa (ed.). Up, down, across: elevators, escalators and moving sidewalks. Merrell. pp. 79–89.
Moodie, K. (1992-01-01). "The King's Cross fire: damage assessment and overview of the technical investigation". Fire Safety Journal. Special Issue: The King's Cross Underground Fire. 18 (1): 13–33. Bibcode:1992FirSJ..18...13M. doi:10.1016/0379-7112(92)90045-E.
dpp.cz
Baier, Viktor. "Pohyblivé schody neboli eskalátory"(PDF). DP Kontakt. No. 1/2008. Prague public transport company. Archived from the original(PDF) on 10 November 2014. Retrieved 10 November 2014.
Moodie, K. (1992-01-01). "The King's Cross fire: damage assessment and overview of the technical investigation". Fire Safety Journal. Special Issue: The King's Cross Underground Fire. 18 (1): 13–33. Bibcode:1992FirSJ..18...13M. doi:10.1016/0379-7112(92)90045-E.
See: Barrow, Dennis. "Seeberg.doc", Internal document, Otis Elevator Co., Farmington, CT: United Technologies; "escalator, noun." OED Online. June 2004. Oxford University Press, "Otis Firsts: Escalators in the Gaslight Era". Otis Elevator Co. Archived from the original on August 11, 2007. Retrieved July 27, 2007.; "Subject: History of the Escalator" (unnumbered sales circular letter). Internal document, Otis Elevator Co., Farmington, CT: United Technologies, October 16, 1962; "The Word ‘Escalator’", Human Interest, Online. The Museum for the Preservation of Elevating History Worthington, Jr., William. "Early Risers", American Heritage of Invention & Technology, Vol. 4, No. 3 (Winter 1989): 42; and Wosk, Julie. "Perspectives on the Escalator in Photography and Art", in Up Down Across: Elevators, Escalators and Moving Sidewalks. (Alisa Goetz, ed.) London: Merrell, 2003.
otis.com
See: Barrow, Dennis. "Seeberg.doc", Internal document, Otis Elevator Co., Farmington, CT: United Technologies; "escalator, noun." OED Online. June 2004. Oxford University Press, "Otis Firsts: Escalators in the Gaslight Era". Otis Elevator Co. Archived from the original on August 11, 2007. Retrieved July 27, 2007.; "Subject: History of the Escalator" (unnumbered sales circular letter). Internal document, Otis Elevator Co., Farmington, CT: United Technologies, October 16, 1962; "The Word ‘Escalator’", Human Interest, Online. The Museum for the Preservation of Elevating History Worthington, Jr., William. "Early Risers", American Heritage of Invention & Technology, Vol. 4, No. 3 (Winter 1989): 42; and Wosk, Julie. "Perspectives on the Escalator in Photography and Art", in Up Down Across: Elevators, Escalators and Moving Sidewalks. (Alisa Goetz, ed.) London: Merrell, 2003.
Schembri, Jim (July 29, 2005). "Keep it to the left". The Age. Melbourne. Retrieved October 30, 2010.
theelevatormuseum.org
See: Barrow, Dennis. "Seeberg.doc", Internal document, Otis Elevator Co., Farmington, CT: United Technologies; "escalator, noun." OED Online. June 2004. Oxford University Press, "Otis Firsts: Escalators in the Gaslight Era". Otis Elevator Co. Archived from the original on August 11, 2007. Retrieved July 27, 2007.; "Subject: History of the Escalator" (unnumbered sales circular letter). Internal document, Otis Elevator Co., Farmington, CT: United Technologies, October 16, 1962; "The Word ‘Escalator’", Human Interest, Online. The Museum for the Preservation of Elevating History Worthington, Jr., William. "Early Risers", American Heritage of Invention & Technology, Vol. 4, No. 3 (Winter 1989): 42; and Wosk, Julie. "Perspectives on the Escalator in Photography and Art", in Up Down Across: Elevators, Escalators and Moving Sidewalks. (Alisa Goetz, ed.) London: Merrell, 2003.
See: Barrow, Dennis. "Seeberg.doc", Internal document, Otis Elevator Co., Farmington, CT: United Technologies; "escalator, noun." OED Online. June 2004. Oxford University Press, "Otis Firsts: Escalators in the Gaslight Era". Otis Elevator Co. Archived from the original on August 11, 2007. Retrieved July 27, 2007.; "Subject: History of the Escalator" (unnumbered sales circular letter). Internal document, Otis Elevator Co., Farmington, CT: United Technologies, October 16, 1962; "The Word ‘Escalator’", Human Interest, Online. The Museum for the Preservation of Elevating History Worthington, Jr., William. "Early Risers", American Heritage of Invention & Technology, Vol. 4, No. 3 (Winter 1989): 42; and Wosk, Julie. "Perspectives on the Escalator in Photography and Art", in Up Down Across: Elevators, Escalators and Moving Sidewalks. (Alisa Goetz, ed.) London: Merrell, 2003.
LTM collection London's Transport Museum Photographic Collection, "1906 Escalator Operated on Opening Day of Great Northern Picadilly and Brompton Railway, December 15, 1906."
Baier, Viktor. "Pohyblivé schody neboli eskalátory"(PDF). DP Kontakt. No. 1/2008. Prague public transport company. Archived from the original(PDF) on 10 November 2014. Retrieved 10 November 2014.