Tucson Headquarters Library - Collections

RSS Library Services Logo


The Tucson Headquarters Library has an extensive collection of books, journals, observatory publications, and historical materials, which go back decades. 



Library Serial Holdings

Online Library Catalog - Sign in as NOIRLab for Library Name; no password required


Physical Collections

Call Numbers and Subjects

Materials in the Tucson Headquarters Library are arranged according to the Library of Congress classification scheme, which uses a combination of letters and numbers. Here are some guides to the LC classification system:


Main Floor of Tucson Headquarters Library

Tucson Headquarters Library Map - Main Floor


Basement Floor of Tucson Headquarters Library

Tucson Headquarters Library Map - Basement Floor

  • Astronomy (QB) Books and Journals
  • Reference Materials
  • Writing Center (dictionaries, thesauri, writing books, style manuals) - main floor near tables
  • Organizational History
  • Tohono O'odham History
  • NOAO Publications (AURA Engineering Reports; KPNO Contributions (listing of Contributions with links to ADS records); KPNO R&D Technical Memoranda; NOAO Newsletters)

We have several small KPNO instruments on display in our library. They can be located in our online catalog by selecting Collection from the dropdown menu to the left of the search bar and then using the keyword Instruments. Photographs and descriptions of these instruments are available.

Updated on September 18, 2023, 8:03 am