The OCA libraries' users can access to internal and external resources :

The OCA library's catalog specialized in Earth Sciences and Astronomy

• This catalog contains 25802 titles (dec 16 2022)
  
• A reader account makes its possible  to reserve documents, to consult its list of loan 

Journals in print or electronic format

• Individual titles funded by the observatory ;
• Journal packages funded by the CNRS or jointly acquired with the Université Côte d'Azur (UCA)  ;
  Main publishers : AAAS (nature) ; AMer. Meteor. Soc. publ. ; Assoc. for Comput. Machinery (ACM)  ; AGU ; Amerian Institue of Physics (AIP) ; American Physical Society (APS) ; Elsevier ; GeoscienceWorld (GSW) ; IOP ; IOS press ; JSTOR Math. Stat  (archive) ; Optical Society of America (OSA) ; Oxford Univ. press (archive) ; Springer (until 2017) et Wiley
• Journal archives acquired under national licences
  
  

Bibliographic and citation databases 

• specialized databases accessible to all  
  Main databases  : ADS  ;  ArXiv ; HAL
• paid databases funded by the CNRS or the UCA
  Main databases : GEOREF ; INSPEC ; Scopus (Elsevier)  ; Web of science (Clarivate analytics)
  
   

Collections of e-books

• These collections were acquired  under national licences or funded by CNRS 
  
• Main collections : AIP conference proceedings ; GSL special publication  ;  Lyell collection ;  Safari book  ; Science direct e-book (3 ebook packages)  ; Springer e-book (Physics and Astronomy package) (until 2017)

  The terms and conditions of access vary according to the sources of funding and the rights granted by the publishers.

For more details click on the topics that interest you.