Buffalo Lake National Wildlife Refuge: U.S. Fish and Wildlife profile of the refuge; information about wildlife, habitat, recreational opportunities, and volunteering.
Buffalo Lake National Wildlife Refuge - Bird Checklists: From the USGS Northern Prairie Wildlife Research Center's Bird Checklists of the United States. A brief description of the refuge and the birds that reside there.
CyberTex: Umbarger Business Directory: A listing of organizations and businesses in Umbarger, with address and contact information.
Full Season Farm: A Sustainable Farming Connection article about the farm and its operation.
Handbook of Texas: Umbarger: Historical and informational page.
Umbarger Local News: Topix.net: Local, regional, and statewide news collected from diverse sources on the web.