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Ernst Mayr Library of the Museum of Comparative Zoology
Ernst Mayr Library of the Museum of Comparative Zoology
Ernst Mayr Library of the Museum of Comparative Zoology
Ernst Mayr Library of the Museum of Comparative Zoology
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Ernst Mayr Library

Visiting the Ernst Mayr Library

a user-focused environment providing students & faculty a place to work with historical and new materials

heritage red brick building with granite steps leading up to wooden entrance doors

Ernst Mayr

Prof. Romer (left) welcomes Prof. Mayr (right), Director of the MCZ 1961-1970, to his new office.

Prof. Romer (left) welcoming Prof. Mayr (right)

Journey to Brazil

The Burkhardt collection celebrates the work of Agassiz's principal artist, Jacques Burkhardt

burkhardt.png

From the EML Archives

1950s photograph of the MCZ fossils gallery

Fossil Mammals Gallery

BHL

The Ernst Mayr Library is a founding member of the Biodiversity Heritage Library which is digitizing the legacy literature of biodiversity.

BHL Scarlet Macaw

Portrait unveiling event

Ernst Mayr stands by his portrait in the Mayr Library

mayr_1995_0.jpg

Thayer Expedition

The Ernst Mayr Library’s Thayer Expedition Papers include field notes, specimen lists, correspondence, diaries, and sketches

Playful portrait of Newton Dexter

Hero Pagination

Learn more about our Special Collections and Archives arrow_circle_right
view of a long oak table and chairs in a room with red carpets and antique books

Find Information

  • E-mail your request for reference assistance.
  • BIOSIS, WOS, Zoo Record 
  • HOLLIS
  • Other Scholarly Resources
  • Biodiversity Heritage Library
  • New Books

Social Media

Flickr

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hummingbirds

Exhibits & Digital Projects

  • Brewster CURIOSity collection
  • National Digital Stewardship Residency
  • Alexander Agassiz's Expedition and Other Images
  • Thomas Barbour Travel Images
  • Read more...
     

From the EML Blog

Breviora and the Bulletin of the MCZ giveaway

October 08, 2025
loose stack of MCZ publications

Mulliken Clock

January 31, 2025
antique clock face with roman numerals

Burkhardt and Wikimedia Commons

July 29, 2022
watercolor sketch of a green Cichlid
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The Ernst Mayr Library

26 Oxford Street, 

Cambridge, MA 02138

smartphone (617) 495-2475
email mayrlib@oeb.harvard.edu

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