The Library of Congress in an invaluable resource for teachers wanting to incorporate primary sources in to their classroom. However, it can be hard to know where to start. The below link is your gateway to LOC primary sources and offers tons of tools for teachers and students.
BGSU Univerity Libraries offers students not only databases for academic research in education, but practical help as well. From puppets to picture books, the Curriculum Resources Center has much of what you need to make your time in the classroom successful.
Library Databases to use in the classroom: