21. The reference collections are on floor 2. 22. The library also includes a reference collection , a rare book collection, manuscript items, and vertical file collections. 23. Earle assisted Clark in creating a herbarium by depositing duplicate specimens into the laboratory s reference collection . 24. The lower level is home to the reference collection , adult non-fiction, periodicals, microfilm readers and public computer terminals. 25. This non-circulating reference collection ensures that the most useful books for RBS's purposes are always close at hand. 26. By September 1898 the lending collection totalled almost 20, 000 volumes and the reference collection over 11, 000. 27. Shelving was replaced and the Non-Fiction and Reference collections were moved to vacant rooms on the second floor. 28. Commercial and Technical Library was then able to expand and have both a lending and a reference collection . 29. The library's reference collection has grown to over 8, 000 volumes with special collections on military and genealogy. 30. The ultimate help provided may consist of reading material in the form of a book or reference collection .
