YB-49 ni vstopil v serijsko proizvodnjo, namesto njega so naročili propelerske Convair B-36. Je pa YB-49 zelo vplival na razvoj kasnejših letal kot npr. stealth bombnik B-2 Spirit
Tehnične specifikacije (YB-49)
Podatki izNational Museum of the United States Air Force
Coleman, Ted. Jack Northrop and the Flying Wing: The Real Story Behind the Stealth Bomber. New York: Paragon House, 1988. ISBN 1-55778-079-X.
Donald, David, ur. (1997). Northrop Flying Wings. The Encyclopedia of World Aircraft. Etobicoke, Ontario: Prospero Books. ISBN1-85605-375-X.
Fitzsimons, Bernard, ed. "Scorpion, Northrop F-89." Illustrated Encyclopedia of 20th Century Weapons and Warfare, Volume 21. London: Phoebus, 1978. ISBN 0-8393-6175-0.
Maloney, Edward T. Northrop Flying Wings. Corona del Mar, California: World War II Publications, 1988. ISBN 0-915464-00-4.
O'Leary, Michael. "Wings of Northrop, Conclusion". Air Classics, Volume 44, Number 3, March 2008, Challenge Publications, Inc. ISSN 0002-2241. (Heavily illustrated, authoritative YB-49 article)
Pape, Garry and John Campbell. Northrop Flying Wings: A History of Jack Northrop's Visionary Aircraft. Atglen, Pennsylvania: Schiffer Publishing, Ltd., 1995. ISBN 0-88740-689-0.