CDC Image Library

The CDC newsroom image library is home to the images journalists request most often. These high-resolution, public-domain images are ready to print in your publication.

Cell Image Library

Use the License filter in Advanced Search to limit to the either public domain, CC-BY, or CC-BY-NC images.

David G. Cogan Ophthalmic Pathology Collection

An extensive collection of clinical ophthalmic cases and their pathology for use by researchers and clinicians to aid in preventing, diagnosing, and treating diseases of the eye and visual system.


Dermatology-related images. Most are licensed CC BY-NC-ND. Check individual images for specific licensing.

Find Open Images by the UNC Health Sciences Library

HEAL Collection

The Health Education Assets Library (HEAL) is a collection of over 22,000 freely available digital materials for health sciences education.

MedPix by the National Library of Medicine

MedPix® is a free open-access online database of medical images, teaching cases, and clinical topics.

National Institute of General Medical Sciences Image and Video Gallery

A searchable collection of scientific photos, illustrations, and videos. The images and videos in this gallery are licensed under Creative Commons Attribution Non-Commercial ShareAlike 3.0.

OPEN-i (National Library of Medicine)

An open-access biomedical image search engine, all photos are free to use.

PEIR Digital Library

The Pathology Education Informational Resource (PEIR) Digital Library is a multidisciplinary public access image database for use in medical education.

Public Health Image Library

The Public Health Image Library (PHIL) is created by the CDC and contains various health science pictures, videos, and illustrations. Every picture will say beneath it if it is public domain or copyrighted.

Scientific Images and Illustrations from the National Institute of Health

Wellcome Collection

Images from the Wellcome library and museum collections centered around health and the human experience. Filter image results by license type. Most are in the public domain.

General Image Collections and Portals


A creative commons image search portal. All results are CC licensed or in the public domain.

Disabled And Here Collection

This is a disability-led effort to provide free & inclusive stock images from our own perspective, with photos and illustrations celebrating disabled Black, Indigenous, and people of color (BIPOC).

The Gender Spectrum Collection

The Gender Spectrum Collection is a stock photo library featuring images of trans and non-binary models that go beyond clichés. This collection aims to help the media better represent members of these communities as people not necessarily defined by their gender identities—people with careers, relationships, talents, passions, and home lives. Images are licensed with CC BY-NC-ND.

Google Images

If you want to limit the images you find to only those you are allowed to reuse, follow these steps:

  1. Do an initial search on the Google Images homepage

  2. Click the "Search Tools" button on the results page to reveal more options

  3. Select the appropriate usage rights.

Nappy Photo Collections

Stock images featuring Black and Brown people, for free. All images are dedicated to the public domain.

OER Commons

To search for only images, run an Advanced Search, and under media format, select "Graphics/Photos." You can also filter by license type. Results will include websites, databases, and course materials that have images.


Free stock photos, no attribution required.

Photos for Class

Creative commons licensed images appropriate for a school setting.


Free stock images.

Smithsonian Open Access

Images from the Smithsonian dedicated to the public domain.


Free to use stock images.

Wikimedia Commons

A collection of freely usable media files to which anyone can contribute.


Open Access Journals


Harvard University - Hollis Catalog

Australian Digital Theses Program

M.I.T Theses

Ohio LINK ETDs Search

North Carolina State University

Georgia Institute of Technology

NCSU Library

Digital Media Library

For More Academic Information and Updates Join

Virginia Polytechnic Institute

East Tennese State University

Georgia Institute of Technology

Wake Forest University

University of Monitoba

UNB e-Repositories

University of Pitsburg

University of Tennessee

Texas Digital Library

University of Victoria

Texas Tech University


University of Johannesberg

Theses Canada Portal

University of Waterloo

Networked Digital Library

University of Helsinki

Caltech Libraries

MIT libraries


DART - Europe E-Theses Portal

Digital Commons Network

Directory of Open Access Journals (DOAJ)

EDGAR (Securities and Exchange Commission)

ERIC: Education Resources Information Center

ETHOS: Electronic Theses Online Service

Fashion and Race Database

Gateway to Library Catalogs (listing from the Library of Congress)

Library of Congress Catalog

LISTA: Library, Information Science & Technology Abstracts

LocatorPlus (National Library of Medicine)

Look and Learn Historical Image Archive (free images from public collections)

National Academies Press (free e-books available)

ProQuest Dissertation Express

ProQuest PQDT Open Access Dissertations

Smithsonian Archives

Smithsonian Collections Search Center

Smithsonian Institution Contributions and Studies Series

Smithsonian Research Online

SIRIS: Smithsonian Institution Research Information System

Art, History, and Culture

AHRnet Biographical Dictionary

Artsy: Art Collecting and Education

Bibliography of the History of Art (BHA) (Getty)

CAMEO: Conservation & Art Materials Encyclopedia Online

Chronicling America: Historic American Newspapers

Conservation Information Network (BCIN)

Dictionary of Canadian Biography

Independent Voices (alternative presses)

IsisCB Explore (Bibliography of the History of Science)

Making of America Journals (Cornell)

ThomasNet (Industrial Web)


AGRICOLA (National Agriculture Library)


American Society of Agronomy

AnimalBase: Early Zoological Literature Online

Biodiversity Heritage Library 

Catalogue of Life (Species 2000 - ITIS)

Encyclopedia of Life (EOL)


Index of Botanical Publications (Harvard University Herbaria)

Index of Botanists (Harvard University Herbaria)

International Plant Names Index

IOPI Database of Plant Databases

ITIS: Integrated Taxonomic Information System

KBD: Kew Bibliographic Databases

National Museum of Natural History Research and Collections Information System (EMu)

Plant Information Online

SORA: Searchable Ornithological Research Archive

uBio Project

U.S. Geological Survey Library