1.
Supplements to Scientific Office Management
by Leffingwell, William Henry
ISBN: 9781168910462
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Data on Advertising Department Records
by Ellis, L. W. B. 1882, Leffi...
ISBN: 9781171518105
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Automatic Letterwriter and Dictation System
by Leffingwell, William Henry
ISBN: 9781178080209
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Supplements to Scientific Office Management
by Leffingwell, William Henry
ISBN: 9781167173882
List Price: $14.36
5.
Scientific Office Management - Primary Source Edition
by Leffingwell, William Henry
ISBN: 9781295787098
List Price: $28.75
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Advertising, Records And Systems
by William Henry Leffingwell
ISBN: 9781248513644
List Price: $21.75
7.
Making the Office Pay: Tested Office Plans, Methods, and Systems That Make for Better Result...
by Leffingwell, William Henry
ISBN: 9781145343290
List Price: $34.75
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9.
Supplements To Scientific Office Management (1917)
by Leffingwell, William Henry
ISBN: 9781120865779
List Price: $17.95
10.
The Automatic Letterwriter and Dictation System
by Leffingwell, William Henry
ISBN: 9781151907417
List Price: $20.29
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Data on recording and handling credits, collections and complaints; supplementary to section...
by William Henry Leffingwell
ISBN: 9781172931026
List Price: $16.75
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13.
Scientific Office Management...: A Report on the Results of Applications of the Taylor Syste...
by William Henry Leffingwell
ISBN: 9780343606305
List Price: $10.95
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15.
Making The Office Pay: Tested Office Plans, Methods And Systems That Make For Better Results...
by William Henry Leffingwell
ISBN: 9781279512050
List Price: $34.75
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Scientific Office Management : A Report on the Results of Applications of the Taylor System ...
by Leffingwell, William Henry,...
ISBN: 9781286524008
List Price: $18.75
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Data On Recording And Handling Credits, Collections And Complaints; Supplementary To Section...
by William Henry Leffingwell
ISBN: 9781409701521
List Price: $6.99
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Making the Office Pay: Tested Office Plans, Methods, and Systems That Make for Better Result...
by William Henry Leffingwell
ISBN: 9781289571726
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20.
Scientific Office Management...: A Report On The Results Of Applications Of The Taylor Syste...
by William Henry Leffingwell
ISBN: 9781297864551
List Price: $21.95
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Automatic Letterwriter and Dictation System (Classic Reprint)
by Leffingwell, William Henry
ISBN: 9781333566951
List Price: $13.57
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Making the Office Pay: Tested Office Plans, Methods, and Systems That Make for Better Result...
by Leffingwell, William Henry,...
ISBN: 9781334424861
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Making the Office Pay : Tested Office Plans, Methods, and Systems That Make for Better Resul...
by Leffingwell, William Henry
ISBN: 9781340801427
List Price: $28.95
24.
Automatic Letterwriter and Dictation System
by Leffingwell, William Henry
ISBN: 9781347397725
List Price: $26.95
25.
Data on Advertising Department Records
by Leffingwell, William Henry,...
ISBN: 9781347565322
List Price: $19.95