"1918 - 1945" . . . . . . . . "Trend of business: yesterday - today - tomorrow. Causes of the depression and economic reforms necessary to establish a business equilibrium"@en . "Trend of business, yesterday--today--tomorrow causes of the depression and economic reforms necessary to establish a business equilibrium"@en . . . . . . "Trend of business : (yesterday-today-tomorrow)" . "Trend of business, yesterday--today--tomorrow; causes of the depression and economic reforms necessary to establish a business equilibrium" . . . "Trend of business, yesterday - today - tomorrow : causes of the depression and economic reforms necessary to establish a business equilibrium" . . . . "Trend of business yesterday, to-day, to-morrow : causes of the depression and economic reforms necessary to establish a business equilibrium"@en . . "United States" . .