1.

図書
図書
1. The successful agent : practical hints for the seller of life insurance
by William Alexander
出版情報: New York : Spectator Co., c1907
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2.

図書
図書
2. The life insurance company
by William Alexander
出版情報: New York : D. Appleton, 1905
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3.

図書
図書
3. The art of insurance salesmanship : how the life insurance agent should practice this art
William Alexander
出版情報: Chicago : Spectator, 1922
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4.

図書
図書
4. Life insurance simply explained : for laymen and for students in schools and insurance classes. 2nd ed
by William Alexander
出版情報: N.Y. : Spectator, c1927
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