Hilchos Niddah 09 - Vestos D'Oraisa or D'Rabbanan - Siman 184.9 (Intro to Seif 2)

Mishnah Berurah 328 - page 164a

Horayos Daf 07 - Par Kohein Mashuach

Hilchos Niddah 08 - Bedikos Before Tashmish - Siman 184.1

Horayos Daf 06 - Chatas Hashutfin She'meisu Ba'aleha

From The Rabbi's Desk - Kidushin on a Napkin

Forgetting and Remembering

Ki Seitzei Derasha - Love and History

From The Rabbi's Desk - Donuts Fit for a god

Horayos Daf 04 - Bitul Miktzas

Answering YUr Shailos 2.5

Answering YUr Shailos 2.6

Answering YUr Shailos 2.7

Hilchos Niddah 07 - Hargashah 2 (Hargashah B'Zman HaZeh), Niddah Status of a Penuyah, Mikvah Before Rosh Hashanah and Yom Kippur - Siman 183.1

Mishnah Berurah 328 - Page 163b

Mishnah Berurah 327/8 - Page 163a

Horayos Daf 03 - Yachid Following Hora'ah

Hilchos Niddah 06 - Hargashah 1 (Defining Hargashah) - Siman 183.1

Mishnah Berurah 326/7 - Page 162b

Horayos Daf 02 - Defining a Hora'ah