Bettger, Frank.

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Books by Bettger, Frank. (50 max)

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How I raised myself from failure to success in selling

1949

Bettger, Frank., Frank Bettger

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How I multiplied my income and happiness in selling.

1954

Bettger, Frank.

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Benjamin Franklin's secret of success and what it did for me.

1960

Bettger, Frank.

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How I learned the secrets of success in selling.

1960

Bettger, Frank.

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De l'échec au succès

1990

Bettger, Frank.