This page is an attempt to collect all links to newspapers, books and website articles that reference bigfoot activity in Grundy County, Illinois.

Newspaper articles:

Bigfoot seen in Seneca?

Small Town A Bastion Of Bigfoot Belief

Bigfoot believers “what do they believe?

It’s time for your close up, Mr. Du Pont monster

Searching for Bigfoot Researchers look for evidence of DuPont Monster

Books & websites:

BFRO Report # 11831 – Grundy County, Illinois

BFRO Report # 12140 – Grundy County, Illinois

BFRO Report # 12439 – Grundy County, Illinois

BFRO Report # 28936 – Grundy County, Illinois

boingboing.net – A Bigfoot flips bird

Cryptomundo.com – The Dupont Monster

Cryptomundo.com – Seneca Sasquatch

Personal Papers – Grundy County, Illinois – # 1

Personal Papers – Grundy County, Illinois – # 2