I wrote a quick article about the Personal Librarian program at Barnard.
Freedman, Jenna. 2011. Implementing a Personal Librarian Program for Students and Faculty at Barnard College. The U*N*A*B*A*S*H*E*D Librarian, no. 157: 11-13.
Get it at your library, ILL it, or ask me if you want a copy!