The library uses the [[Dewey Decimal Classification|Dewey Decimal Classification system]] to classify its collection.{{citation needed|date=January 2025}}<ref>https://www.britannica.com/science/Dewey-Decimal-Classification</ref> Lamu Fort Library is still using a [[Browne Issue System|Browne Charging system]] to lend books. The system uses cards to lend and retrieve books that were borrowed, the cards are arranged in a tray by date of return.{{citation needed|date=January 2025}} The library has about 10,000 items classified under Dewey Decimal Classification System and the catalogue uses the [[Anglo-American Cataloguing Rules]].<ref>{{Cite web |title=Anglo-American Cataloguing Rules (AACR, AACR2, AACR2R) |url=https://www.librarianshipstudies.com/2018/12/anglo-american-cataloguing-rules-aacr.html |access-date=2024-03-07}}</ref>
