1
by Hernon, Peter.
Published 1991
Subjects: ...Library statistics....
Book
2
by Hernon, Peter.
Published 1989
Subjects: ...Library statistics....
Book
3
Published 1988
Subjects: ...Library statistics -- Computer programs....
Book
4
by Dugan, Robert E., 1952-
Published 2009
Subjects: ...Library statistics -- United States....
Book