Barrington Historic Overlay District:
https://www.barrington-il.gov/government/departments/development_services/historical_preservation_overlay_district/index.php/
Building Codes for the Barrington Area
Building Codes
Chronicling America: Historic American Newspapers:
https://chroniclingamerica.loc.gov/
Digital Research Library of Illinois History:
http://livinghistoryofillinois.com/
Explore Chicago Collections:
https://explore.chicagocollections.org
Family Search:
https://familysearch.org
Find A Grave:
https://www.findagrave.com
Genealogy Online: Historical Cook County, Illinois Vital Records:
https://genealogy.cookcountyclerk.com
Illinois Digital Archives
Illinois Digital Archives (other historical photos and documents from the area)
Illinois State Archives:
http://www.cyberdriveillinois.com/departments/archives/home.html
Illinois School Report Card - Barrington:
Illinois School Report Card - Barrington
Lake County IL Genealogical Society:
http://lakecountyilgenealogy.org/
Library of Congress National Screening Room:
https://www.loc.gov/collections/national-screening-room/
Linkpendium Genealogy and Family History:
https://www.linkpendium.com/
National Archives:
https://www.archives.gov/research/genealogy
The Newberry:
http://www.newberry.org/genealogy-and-local-history
Overseas Genealogy: One Site at a Time
Tax Rolls for Cook County:
http://www.cookcountypropertyinfo.com/
Tax Rolls for Kane County:
http://www.kanecountyassessments.org/Publications.html
http://kaneil.devnetwedge.com
Tax Rolls for Lake County:
https://www.lakecountyil.gov/388/Assessment-Lists
https://maps.lakecountyil.gov/mapsonline/
Tax Rolls for McHenry County:
https://www.co.mchenry.il.us/county-government/departments-a-i/assessments/assessment-rolls