#  Digital Collections 

 



[Alexander Agassiz's Expedition and other images](https://images.hollis.harvard.edu/primo-explore/search?query=any,contains,alexander%20agassiz%27s%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)  
[Ernst Mayr Speaks](https://library.mcz.harvard.edu/ernst)  
[Burkhardt Collection](https://library.mcz.harvard.edu/burkhardt)  
[Burkhardt Scientific Drawings](http://nrs.harvard.edu/urn-3:hul.eresource:mczartco)  
[Thayer Expedition](https://library.mcz.harvard.edu/thayer)  
[Mayr Library Flickr](https://www.flickr.com/photos/66257786@N03/)  
[Mayr Library contributions to BHL Flickr](https://www.flickr.com/photos/biodivlibrary/collections/72157627662708468/)  
[Presentations](https://library.mcz.harvard.edu/conference-presentations)



 

##  Find Information 

[**MCZ #BlackLivesMatter**](https://mcz.harvard.edu/black-lives-matter)  
[**BIOSIS, WOS, Zoo Record**](http://www.webofknowledge.com/ua)   
[**HOLLIS+**](https://nrs.harvard.edu/urn-3:hul.ois:hollis+)   
[**Other Scholarly Resources**](/resources)

[   ![header bhl](/sites/g/files/omnuum6796/files/styles/hwp_1_1__100x100_scale/public/2025-01/header-bhl.jpg?itok=X0vYDJ8T) 

 ](http://www.biodiversitylibrary.org/)[   ![6731085799_e9b24dfe0f_q](/sites/g/files/omnuum6796/files/styles/hwp_1_1__100x100_scale/public/2025-01/6731085799_e9b24dfe0f_q.jpg?itok=y3rCWc82) 

 ](https://www.flickr.com/photos/66257786@N03/albums/72157628953846831)