Research Library & Archives

The Butler County Historical Society maintains the Rolla A. Clymer Memorial Research Library, a collection of historical resources documenting Butler County, the Kansas oil industry, and the people who shaped this region.

Whether you are researching family history, property records, or local stories, our collections provide a deep connection to the past.

Discover the Stories of Butler County

Our collections support a wide range of research interests:

• Genealogy and family history
• Butler County and regional history
• Kansas oil industry research
• Property, land, and community records
• School and local organization history
• Historic photographs and archives

What You Can Research

Our archives include:

• 4,000+ books and manuscripts
• El Dorado newspapers on microfilm (1870–present)
• Historic photographs and archival collections
• Butler County plat maps (1885, 1905)
• El Dorado city atlases (1917, 1930)
• City directories and community records
• School yearbooks
• Cemetery and tombstone records
• Genealogy collections and periodicals
• Rare and vintage books

Collections & Resources

Research Tools

We provide access to tools that support in-depth research:

• Microfilm reader with digital capabilities
• Copier and scanner for document and image reproduction

Using the Research Library

The research library is available during regular museum hours.

Monday – Closed
Tuesday – Closed
Wednesday – 10:00 AM – 4:00 PM
Thursday – 10:00 AM – 4:00 PM
Friday – 10:00 AM – 4:00 PM
Saturday – 10:00 AM – 4:00 PM
Sunday – Closed

Knowledgeable volunteers are periodically available to assist with genealogy and local history research.

Because volunteer availability varies, please contact the museum ahead of your visit to confirm times when assistance is available.

Research Assistance

Online Resources

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Research Services & Requests

If you are unable to visit in person, the museum offers research services.

Available services include:

• Obituary lookup - $10
• General research assistance - Starting at $15
• Historic photo duplication - Contact for prices

Research services are completed based on staff/volunteer availability.

Submit a Research Request

We welcome research requests from local and long-distance researchers.

To submit a request, please provide:

• Name(s) or topic being researched
• Relevant dates or time period
• Type of information requested
• Any known details or background

Support The Research Library

Research services are supported through donations, which help sustain the preservation and accessibility of our collections.

3% Cover the Fee

Get Involved

Volunteer with the Research Library

We are actively seeking volunteers interested in:

• Genealogy and family history
• Archival organization and preservation
• Assisting researchers
• Developing new research-based programs

Help Build New Programs

We are especially interested in volunteers who would like to help start or lead programs such as:

• Genealogy groups

• Local history discussion groups

• Research workshops

• Community archive projects

If you have an interest in helping grow research opportunities at the museum, we would love to hear from you.

Plan Your Research Visit

Whether you are beginning your research or continuing a long-term project, the Kansas Oil Museum offers a unique space to explore Butler County’s history.