Commercial
Christian, Debbie's Unit Factory, Guide to Geekdom, Learn & Do Unit Studies, Rainbow Horizons Publishing, Unit Study Adventures
Free
A to Z Thematic Units Index, Acorn Academy, EasyFunSchool Unit Study Index, Lego Activities, Scout School, Zone Unit Studies
Single Units
A Bear Called Paddington Unit Study Guide, Dinosaur Discovery Unit Plan, Mozart's Magical Musical Life, Summer Of My German Soldier Unit, Thanksgiving Study, The Weather Unit
About.com Unit Studies
Articles and ideas for unit studies.
Acorn Academy
Linked unit study directory and collected resources.
Discovery Channel School
Educational resource page with unit studies tied into Discovery channel programming.
Homeschool and More
Provides educational products, articles about homeschooling, and a calendar of events.
In the Hands of a Child
Encourages the use of Project Packs to display and review completed unit studies. Sells resources to help you get started.
Johnston Family Enterprises
Unit studies about creation science and music.
Let's Study Birds!
Multi-sensory thematic study on birds for students 7 to 14.
Peg's Unit Study Planning Page
A detailed how-to on developing your own Unit Studies. Includes checklist and information on learning styles.
Pimsleur Language Programs
Sells products that teach you foreign languages in your home or car.
State Unit Studies
Learn the geography of the US and information about every state.
The Christian Homeschool Journal
Homeschool site with stories of families' experiences and relevant articles.
Unit Study Helps
Message board, FAQs, and a homeschooling newsletter by e-mail.
Unit Study Organization
Homeschooling mother's method of organizing her unit.