Vessels for which there is a vessel of their type which can become Pure via a Ritual Bath: Shabbat 84b
Wagons: Shabbat 84a
Boxes: Shabbat 84a
Boats: Shabbat 84a
Pottery Vessels: Shabbat 84a-b
Mattresses/Pillows, designed for reclining or for other uses: Succah 20a-b
Pottery Vessels which are sealed with a Tightly layered and attached ["Tzamid Pasil"] seal: Shabbat 84b
Wooden Vessels: Shabbat 84a
Flat wooden vessels: Shabbat 84a-b
Shoes which have one snapped strap: Shabbat 112a-b
A shoe which snapped one strap after becoming impure, then snapped the other after the first was fixed: Shabbat 112b; Eruvin 24a
If there is an item underneath one/some of the legs of a bed, supporting a Person with Genital Discharge: Shabbat 93a-b Multiple benches beneath a Person with Genital Discharge, horizontally or vertically: Shabbat 93a
Amount of Genital Discharge which will make each support beneath the Person with Genital Discharge Impure: Shabbat 93b
If a Person with Genital Discharge rolls around atop benches: Shabbat 93a
Impurity of items on which a woman sat before discovering menstrual blood: Niddah 5b-6a
Impurity of items on which a woman sat before discovering a menstrual bloodstain: Niddah 6a
Saddles vs. Saddlehorns: Eruvin 27a
Impurity of Riding - Merkav
If there is an item underneath one/some of the legs of an animal, supporting a Person with Genital Discharge: Shabbat 93a-b
Impurity Communicated by Riding on a horse is communicated via the front legs, on a donkey via the rear legs: Shabbat 93b
Saddles vs. Saddlehorns: Eruvin 27a