Annual Town Reports
Starting in 1875

Births and Baptisms
Searchable PDF file from 1653 to 1699

Cemetery Records
Searchable PDF file up to 2007

Cemetery Records
Search Cemetery Department database

Chelmsford Newspapers
From 1940 to 2009 in newspaperarchive.com

Fire Department History
Starting in 1900

High School Yearbooks
Starting in 1925, Historical Society website

Obituaries in Middlesex County
Search on Legacy.com website

People Section
1955 Newsweekly Tercentenary Edition

Select Board
Select Board Members since 1658

Town Directories
Starting in 1896, Historical Society website

Vital Records of Chelmsford
Up to 1849, Internet Archive website