Offers handbooks and products to help prepare for debates, academic competitions and other speech events. Has resources for coaches.

One of the few institutes that offers a camp for Lincoln-Douglas debate, CDE also has a wide range of handbooks and introductory texts.

Subscription-based service offers evidence, topic analysis, and other resources for debate teams and coaches.

Educational publisher sells support materials for Lincoln Douglas and team debate, as well as textbooks for coaches and students. Find samples.