Katherine M. H. Blackford
1875
Analyzing character
Employers' manual: instructions to employment supervisors and other executives in the use of the Blackford employment plan
How to read character with Character craft
How to Read Your Own Character
Scientific selection and assignment of men in the creation of an organization
The job, the man, the boss
Analyzing character, the new science of judging men
Character analysis by the observational method
The science of character analysis by the observational method
Xin xiang shu