There are 1 book by James C. O'Brien on BookOrb. A strong starting point is Your federal civil service (1940). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has James C. O'Brien written?
BookOrb lists 1 book by James C. O'Brien.
Where should I start with James C. O'Brien?
A good starting point is Your federal civil service (1940).
What is the James C. O'Brien books in order list?
In publication order: 1. Your federal civil service (1940).