Today's hours: Closed 216.231.4600
The King of Dinosaurs

Library & Archives

The Harold Terry Clark Library, Rare Book Collection and Museum Archives
The holdings of the Harold Terry Clark Library focus on natural history and science topics that reflect the Museum's interests and ongoing research initiatives. The Library houses more than 20,000 books and a collection of more than 40,000 periodicals representing 3,000-plus titles. Subjects include paleontology, archaeology, anthropology, astronomy, botany, entomology, ecology, geology, mineralogy, zoology, ornithology and natural history art. The Library's mission is to serve the ongoing needs of the Museum's researchers and curators. While its holdings do not circulate to the general public, the Library welcomes browsing and on-site reference by appointment.

Using the Library

Public access is by appointment. Library hours are generally 9am-5pm Tuesday-Saturday, but are subject to change. An online catalog of the library’s holdings is available for use anytime.
Access the online catalog
To make an appointment, contact Wendy Wasman, Librarian & Archivist at 216-231-4600 x3222 or

Book Sale

The library hosts an ongoing book sale featuring hundreds of natural history titles. The selection is updated regularly, and most books cost between $1 and $5. Find books on science, nature, birding, anthropology and more! Appointments are strongly encouraged.


The Library encourages individuals interested in library work to inquire about volunteer opportunities, internships or practicum projects.