Mr. Saxton's first historical book, "The Indispensable Enemy: Labor and the Anti-Chinese Movement in California," became a landmark of labor history, describing how 19th- and 20th-century labor unions used racism against Chinese immigrants as a tool for unifying and organizing white union members.
As jobs in the professoriate have disappeared, graduate students have become an indispensable source of labor, without whom undergraduates simply could not be taught.
More lost still is the fact that unions and the satisfied wage ambitions of labor are indispensable to the prosperity of any and every business built since 1940.
Consequently, manual labor is usually an indispensable factor in determining the location and range of hinge loops.
Furthermore, labor market liberalization, once considered indispensable to attract investors and promote industrial growth, is on the back burner.
Despite some undeniable differences with President Bush, Mr. Greenspan also labored mightily to make himself indispensable.
She has a knack for alluding to the era's public events and concerns in a manner that lets us understand their impact and influence without her laboring over their details — an indispensable gift for a historical novelist.
For nearly two decades Raymond Horton has served as an indispensable nuisance for successive mayors, governors, lawmakers and labor leaders in New York State.
In 1969, George McGovern chaired a select committee on hunger that actually held bipartisan "field hearings" in poor regions, calling witnesses in migrant labor camps, and then, with Bob Dole's indispensable support, greatly expanded the food-stamp program.
Diverse and entrepreneurial populations played an indispensable role: New York was the main US gateway for immigrant labor.
Young athletes in particular realized, perhaps for the first time, that they are unusual among workers in that they are the labor and the product; they are replaceable but indispensable.
