DOIs and Stable URLs

What are DOIs and what is BHL doing with them?

A DOI (Digital Object Identifier) is a unique permanent identifier that provides a persistent link to a digital object. When a DOI is assigned to a publication, such as a journal article, that DOI becomes part of the publication’s bibliographic information and should be included (as a link) whenever the publication is referenced. DOIs thus … Read more

Does BHL provide persistent and stable URLs?

BHL produces stable URLs for our content and will ensure viability of these URLs. Please read the following blog post for an explanation of how BHL redirects certain IDs when a book has been taken offline. Stable URLs are available for the following areas of content, with examples: Subject: Insects http://www.biodiversitylibrary.org/subject/Insects Author: Darwin, Charles, (1809 … Read more

Empowering Global Research

BHL supports research across the globe and in a variety of disciplines. Explore more BHL user testimonials.

Having access to this literature through BHL is a treasure. Being able to show the students the original publications...speaks volumes.

Dr. Tracey Hunter-Doniger

College of Charleston

BHL is a wonderful resource. I use a lot of old and obscure resources in my line of work, and BHL makes getting access to these sources a lot easier.

Dr. Paul D. Brinkman

North Carolina Museum of Natural Sciences

As a free, mobile archive for natural history literature, BHL is ideal for 21st century research, which can happen on the field, in a museum, or at a coffee shop, as long as there’s internet connectivity.

Dr. Nicholas Pyenson

Smithsonian National Museum of Natural History

The Biodiversity Heritage Library is an amazing resource for visual artists! Any artist interested in learning about natural history and science would consider these rare resources invaluable.

Emily Williams, MFA

Troy University

BHL is doing a wonderful service for researchers like me, who work with limited resources in developing countries like India. BHL has had a big, positive impact on my research.

Dr. Varad B. Giri

National Centre for Biological Sciences

BHL is an incredible resource. It provides access to material that is otherwise hard to get and enables me to undertake detailed searches of these sources.

Dr. Karen Sayer

Leeds Trinity University