Five laws of library science
The five laws of library science na tihori wey S. R. Ranganathan sojest in 1931, detailing di principles of operating a library system. Plenti librarians from di wold agree sey di laws na dem be fondashons for dia filosofi.

Dis laws, as Ranganathan's tek arenj dem bi The Five Laws of Library Science:

 Book na for use.
 Every body with him own book.
 Every book its reader.
 Save the time of the  readerr.
 Library na growing organism.

Further reading