1.
Data on Advertising Department Records
by Ellis, L. W. B. 1882, Leffi...
ISBN: 9781171518105
List Price: $15.75
OUT OF STOCK
See Availability on Amazon2.
Automatic Letterwriter and Dictation System
by Leffingwell, William Henry
ISBN: 9781178080209
List Price: $31.75
OUT OF STOCK
See Availability on Amazon3.
Supplements to Scientific Office Management
by Leffingwell, William Henry
ISBN: 9781168910462
List Price: $26.36
OUT OF STOCK
See Availability on Amazon4.
Supplements to Scientific Office Management
by Leffingwell, William Henry
ISBN: 9781167173882
List Price: $14.36
OUT OF STOCK
See Availability on Amazon5.
Scientific Office Management - Primary Source Edition
by Leffingwell, William Henry
ISBN: 9781295787098
List Price: $28.75
OUT OF STOCK
See Availability on Amazon6.
Advertising, Records And Systems
by William Henry Leffingwell
ISBN: 9781248513644
List Price: $21.75
OUT OF STOCK
See Availability on Amazon7.
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
OUT OF STOCK
See Availability on Amazon8.
Making the Office Pay; Tested Office Plans, Methods and Systems That Make for Better Results...
by Leffingwell, William Henry
ISBN: 9781236573445
List Price: $20.31
OUT OF STOCK
See Availability on Amazon10.
Advertising, Records and Systems
by Leffingwell, William Henry
ISBN: 9781130784701
List Price: $14.14
OUT OF STOCK
See Availability on Amazon11.
Scientific Office Management : A Report on the Results of Applications of the Taylor System ...
by Leffingwell, William Henry,...
ISBN: 9781286524008
List Price: $18.75
OUT OF STOCK
See Availability on Amazon12.
Supplements to Scientific Office Management
by Leffingwell, William Henry
ISBN: 9781162251059
List Price: $32.95
OUT OF STOCK
See Availability on Amazon13.
The Automatic Letterwriter and Dictation System
by Leffingwell, William Henry
ISBN: 9781151907417
List Price: $20.29
OUT OF STOCK
See Availability on Amazon14.
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
OUT OF STOCK
See Availability on Amazon16.
Supplements To Scientific Office Management (1917)
by Leffingwell, William Henry
ISBN: 9781120865779
List Price: $17.95
OUT OF STOCK
See Availability on Amazon17.
Data on recording and handling credits, collections and complaints; supplementary to section...
by William Henry Leffingwell
ISBN: 9781172931026
List Price: $16.75
OUT OF STOCK
See Availability on Amazon18.
Data on Advertising Department Records
by Leffingwell, William Henry,...
ISBN: 9781149591635
List Price: $15.75
OUT OF STOCK
See Availability on Amazon19.
Automatic Letterwriter and Dictation System
by Leffingwell, William Henry
ISBN: 9781347397725
List Price: $26.95
OUT OF STOCK
See Availability on Amazon20.
Data on Advertising Department Records
by Leffingwell, William Henry,...
ISBN: 9781347565322
List Price: $19.95
OUT OF STOCK
See Availability on Amazon21.
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
OUT OF STOCK
See Availability on Amazon23.
Scientific Office Management...: A Report On The Results Of Applications Of The Taylor Syste...
by William Henry Leffingwell
ISBN: 9781297864551
List Price: $21.95
OUT OF STOCK
See Availability on Amazon24.
Data on Recording and Handling Credits, Collections and Complaints; Supplementary to Section...
by Leffingwell, William Henry,...
ISBN: 9781354277348
List Price: $19.95
OUT OF STOCK
See Availability on Amazon25.
Automatic Letterwriter and Dictation System
by Leffingwell, William Henry ...
ISBN: 9781360484532
List Price: $16.95