Newspaper articles:

The Monster Story

Books & websites:

BFRO Report # 10892

BFRO Report # 27146

BFRO Report # 28568

BFRO Report # 28569

Bigfoot Encounters.com – The Dutch Henry Monster, Fulton County, Illinois 1968

GCBRO – Fulton County, Illinois – # 1

GCBRO – Fulton County, Illinois – # 2

North American BioFortean Review: The Dutch Henry Monster