Bibliography of Cross, Wilbur, by subject:

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•	Investments -- Handbooks, manuals, etc (5)
•	Retirement -- United States -- Planning (2)
•	Nobile, Umberto,1885 (2)
•	Arctic regions -- Aerial exploration (2)
•	Business -- Dictionaries (2)
•	Management -- Dictionaries (2)
•	Pressure vessels -- Standards -- United States -- History (1)
•	Business & Investing -- Biography & History -- Company Profiles (1)
•	World War, 1914-1918 -- Aerial operations, German (1)
•	Airships -- Germany -- History (1)
•	Risk (1)
•	Gambling -- United States (1)
•	Power resources (1)
•	Sports betting -- United States (1)
•	Commercial correspondence -- Handbooks, manuals, etc (1)
•	Solar energy (1)
•	English fiction -- History and criticism (1)
•	Amway Corporation (1)
•	Fiction -- Technique (1)
•	Steam-boilers -- Standards -- United States -- History (1)

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