Lesson Plan Websites
This is just a small selection of non-profit and government organizations that provide lesson plans and resources on a variety of topics for educators.
Searching for Lesson Plans
Use the Library Catalog and WorldCat to search for books on lesson planning and books with lesson plans. Search the term "Lesson Planning" in the catalogs.
Because of WorldCat's size, search Lesson Planning as a subject and limit your results to Books. You may also want to limit your results to books published within a certain date range.