It was with great interest that I viewed Murder at Harvard on PBS, and I enjoyed the short -- but insightful -- review of the program by Louis P. Masur (“History or Fiction?,” The Review, July 11). ..

Part of Greenwood District in Tulsa, Okla., burned during the 1921 Tulsa race massacre. (GHI / Universal History Archive via Getty Images) Sometimes, after educating teachers about the Tulsa race ...