Shiur on the descendants of Haman given by Rabbi Kowalsky. Source sheets available at: https://drive.google.com/file/d/1tGWIgorCSoderh4x7FvLFlrN1PqgxmkQ/view?usp=drivesdk
Shiur on Purim Katan - by Rabbi Kowalsky - source sheets available at: https://drive.google.com/file/d/1rCB0vVdWREIqAH4CyRNGerADKmaAYt97/view?usp=drivesdk