1
...Princeton university library classification system,...
Book
2
...Princeton University Library classification system, 1900-1920 / by Ernest Cushing Richardson....
(CARLI) (Other Sources: (UIUdb)3701816)
Book
3
Published 1938
...Princeton University Library,...
(CARLI) (Other Sources: (UIUdb)3256933)
Journal / Magazine
4
Published 1938
...Treasure Room, Princeton University Library,...
Book
5
Published 1963
...Princeton University. Library....
Book
6
Published 1964
...Princeton University. Library....
(CARLI) (Other Sources: (UIUdb)1898845)
Book