11. In 1915 a memorial tablet was unveiled in the Manchester Reference Library . 12. The city operates two reference libraries; Westminster Reference Library and Marylebone Information Service. 13. A spokesman for the United States Geological Survey Reference Library in Denver agreed. 14. The Library is primarily a reference library , so borrowing is restricted. 15. The city operates two reference libraries ; Westminster Reference Library and Marylebone Information Service. 16. In 1923 and 1924 he also worked evenings at the Hill Reference Library . 17. Its first floor housed the contents of the former Fiction and Reference Libraries . 18. The Society also houses an extensive reference library and illustrated online design portfolios. 19. The third houses the adult library, reference library and computer laboratory. 20. In his bequest, he left money to found the Hay Fleming Reference library .