American upper class

Money, Morals, and Manners: The Culture of the French and the American Upper-Middle Class. Chicago: University of Chicago Press. 2012. ISBN 978-0-226-92259-1

Lower bound（英语：Upper and lower bounds）, a mathematical concept (order theory) LB培養基 後衛（足球） 黑邊 Linebacker（英语：Linebacker）, a position in American and Canadian

Baltzell, Edward Digby. Philadelphia Gentlemen: The Making of a National Upper Class. Free Press, Glencoe, Ill. 1958. （英文） Skaler, Robert Morris. West Philadelphia:

among middle- to upper-middle-class East and Southeast Asian communities and how they maintain the dominant voice within the Asian American and Pacific Islander

Oxford University Press. 维基共享资源上的相关多媒体资源：同志村 Memoir and history of gay Upper West Side in Manhattan, NYC（页面存档备份，存于互联网档案馆） Counting Gay New York (Gotham