The MAA (Math Assoc Amer) maintains a collection of resources at the website for Convergence to support teaching math via its history. They have a link to a "Treasures" list which includes facsimiles of many, many historical documents.
[![enter image description here][1]][1]
The "Witch of Agnesi": Maria Gaetana Agnesi's cubic curve.
The publication includes articles that could each form a classroom module, e.g.,
Nicholas A. Scoville, "Connecting Connectedness: A Mini-Primary Source Project for Topology Students." 2016. (MAA link.)