#  Ernst Mayr Library  

 



##  Visiting the Ernst Mayr Library 

[a user-focused environment providing students & faculty a place to work with historical and new materials](/mission "Library Mission")



 

 

 

       ![heritage red brick building with granite steps leading up to wooden entrance doors](/sites/g/files/omnuum6411/files/styles/hwp_21_9__1920x825/public/2025-01/exterior_0.jpg?h=867751ee&itok=zcb0YsL9) 

 

 



 

 



 [ Learn more about our Special Collections and Archives arrow\_circle\_right ](/specialcoll) 

 

       ![view of a long oak table and chairs in a room with red carpets and antique books ](/sites/g/files/omnuum6411/files/styles/hwp_21_9__1920x825/public/2025-01/EMLSCreadingroom.jpg?h=b45ecd9a&itok=8cCKN-FJ) 

 

 



 

 



 ### Find Information

- [E-mail](mailto:mayrlib@oeb.harvard.edu) your request for reference assistance.
- [BIOSIS, WOS, Zoo Record](http://www.webofknowledge.com/ua)
- [HOLLIS](https://nrs.harvard.edu/urn-3:hul.ois:hollis+)
- [Other Scholarly Resources](/resources "Resources")
- [Biodiversity Heritage Library](https://www.biodiversitylibrary.org/)
- [New Books](/newbooksgallery "New Books")



 

 ### Social Media

[Flickr](https://www.flickr.com/photos/66257786@N03/)

[X](https://twitter.com/mayrlibrary) (Twitter)

[Facebook](https://www.facebook.com/ernstmayrlib)

[Instagram](https://www.instagram.com/ernstmayrlibrary/)



 

   ![hummingbirds](/sites/g/files/omnuum6411/files/styles/hwp_16_9__480x270/public/library/files/6302721054_4ccfca1254_b.jpg?h=28587c19&itok=iqM1rN0x) 

 

 

 

 ### Exhibits & Digital Projects

- [Brewster CURIOSity collection](https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://curiosity.lib.harvard.edu/william-brewster-an-ornithologists-legacy&ved=2ahUKEwik_6WbvJ6LAxVtEFkFHdtCGkwQFnoECBMQAQ&usg=AOvVaw2i_nQtkbRg-7UpLrUb3Lwr)
- [National Digital Stewardship Residency](/ndsr-updates)
- [Alexander Agassiz's Expedition and Other Images](https://images.hollis.harvard.edu/primo-explore/search?query=any,contains,alexander%20agassiz's%20expedition&tab=default_tab&search_scope=default_scope&vid=HVD_IMAGES&lang=en_US&offset=0)
- [Thomas Barbour Travel Images](https://images.hollis.harvard.edu/primo-explore/search?query=any,contains,thomas%20barbour,AND&tab=default_tab&search_scope=HVD_MCZ_IMG&sortby=rank&vid=HVD_IMAGES&lang=en_US&mode=advanced&offset=0)
- [Read more...](/digital)



 

  

 

 

 

##  From the EML Blog 

 



  [### Breviora and the Bulletin of the MCZ giveaway

 ](/news/2025/10/breviora-and-bulletin-mcz-giveaway) October 08, 2025 

 

   ![loose stack of MCZ publications](/sites/g/files/omnuum6411/files/styles/hwp_16_9__480x270/public/2025-10/IMG_3012.jpg?itok=mQO5lEPg) 

 



 

 

   [### Mulliken Clock

 ](/news/2025/01/mulliken-clock) January 31, 2025 

 

   ![antique clock face with roman numerals](/sites/g/files/omnuum6411/files/styles/hwp_16_9__480x270/public/2025-01/IMG_1399.jpg?itok=1ICYiCyh) 

 



 

 

   [### Burkhardt and Wikimedia Commons

 ](/blog/burkhardt-and-wikimedia-commons) July 29, 2022 

 

   ![watercolor sketch of a green Cichlid](/sites/g/files/omnuum6411/files/styles/hwp_16_9__480x270/public/library/files/640px-aequidens_sp._lago_jose_assu_brazil.jpg?itok=L0PAsZ_2)