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American Ancestors

A wide assortment of genealogical information compiled by the New England Historic Genealogical Society (NEHGS).

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Ancestry Library

Over 30 billion genealogical and historical records from more than 80 countries.

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In Library Only
Britannica Moderna

***DISCONTINUED due to IMLS defunding*** Britannica Moderna es Enciclopedia española para estudiantes mayores y educadores. Incluye artículos, imágenes, mapas, tablas, cronologías, así como un completo diccionario y atlas. | Britannica Moderna is a Spanish encyclopedia for older students and educators. It includes articles, images, maps, tables, timelines, as well as a complete dictionary and atlas. 

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Free State Wide
Environmental Studies

***DISCONTINUED due to IMLS defunding*** Gale In Context: Environmental Studies provides comprehensive information via case studies, news, reference materials, academic journals, and videos so learners can critically analyze and understand important environmental issues that affect people around the world. Explore topics including water privatization, ecotourism, pollution, green economy, and more. 

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Free State Wide
FamilySearch Historical Records

A website offering genealogical records and education operated by the Church of Jesus Christ of Latter-Day Saints. For more information, please contact the Reference Staff.

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Fold3 - Military History Records

Fold3 features collections of original military records including stories, photos, and personal documents. Resource made available with funds from the Fiske Family Trust.

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Free for Chelmsford Residents
Heritage Quest

Genealogical database containing over 20,000 family and local histories.

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Free for Chelmsford Residents
Interactive Science

***DISCONTINUED due to IMLS defunding***  Gale Interactive: Science is a highly visual online learning tool that takes visual-spatial learning to the next level by bringing the science lab online. High-value, multi-media digital content selected from authoritative classroom resources is paired with interactive 3D models to deliver a virtual laboratory simulation experience for students in middle school and high school grades. 

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Free Anywhere
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