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Division of Work and Industry Lantern Slide Collection
Western Union Telegraph Company Records
Pittsburgh Consolidation Coal Company photographs and other materials
The 100 Wire Concentration Unit, ca. 1929
Four Employee Incentive Short Films
Three Employee Incentive Short Films
N. [Norman] F. Trippe, [business card]
Aspects of the telegraph Business Past, Present & Future
Aspects of the Business Past, Present and Future
Price Waterhouse and Company chartered accountants on Property and Business of the Western Union Telegraph Company
Western Union Business Plan Manual
Western Union Study of Information Utility Business Opportunities Phase 1, January 1966
The pulse of a nations business throbs over Western Union tickers