Ruling leniently on issues of mourning in general: Eruvin 46a-b; Moed Katan 18a, 19b, 20a, 22a, 26b
For children who die before reaching the 30-day mark of viability: Shabbat 136a
For a spouse who dies during the period of engagement: Bava Metzia 18a
Procedure
Source for a 7 Day Mourning Period: Moed Katan 20a
The first 3 days are for crying, the first 7 for Eulogy: Moed Katan 27b
7 Days are kept for those relatives for whom a Kohen becomes Impure, as well as siblings from the mother and a married sister: Moed Katan 20b
Mourning for relatives who are one level removed from the Above relationships: Moed Katan 20b
Mourning for a person who is a relative of someone mourning in his household: Moed Katan 20b
Mourning for a mother/father-in-law, in respect for one's spouse: Moed Katan 20b
Keeping only 1 day for a Rebbe who taught him Torah: Moed Katan 25b
The 7-Day period where Mourning is pushed off until after the initial week of Marriage: Ketuvot 4a, Moed Katan 20b
Whether Mourning begins when the corpse leaves the house or at the sealing of the grave: Ketuvot 4b
Whether Part of the 7th day counts as the full day: Moed Katan 17b, 19b
If there are no mourners, ten people sit in the house of the deceased: Shabbat 152a-b
From when to count the 7 days, if one came from close by or from afar: Moed Katan 21b-22a
Shaving/Haircuts
Shaving: Moed Katan 14b
One who may shave on the Intermediate Days of Holidays may shave during a period of Mourning: Moed Katan 14a-b, 17b
One who had consecutive mourning periods and fits into the Above line: Moed Katan 17b
Bathing & Hygiene
Washing [on the first night]: Berachot 16b; Moed Katan 15b, 21a
Annointing his skin: Moed Katan 21a
Washing if the 3rd day is the Eve of a Holiday: Moed Katan 19b
Washing on the 7th day, after the visitors depart: Moed Katan 19b
Finger and Toe Nail-cutting: Moed Katan 17b-18a
Above, with a scissor: Moed Katan 18a
Clothing
Not wearing [leather] shoes: Pesachim 4a; Moed Katan 15b, 20b, 21a
Covering his head: Moed Katan 15a
Covering of the head is supposed to be complete, "like that of the Ishmaelites": Moed Katan 24a
Laundering clothing: Moed Katan 15a, 17b
Make-up: Moed Katan 20b, Ketuvot 4b
Work
Doing work: Moed Katan 15b, 21a
Differentiating between Work during and after the first 3 days: Moed Katan 21b
Minimizing business which is done for him by others; by deceased parents or other relatives:
Moed Katan 22a-b
Minimizing business if he is travelling: Moed Katan 26b-27a
Social Interaction
Greeting others, and responding to greetings: Moed Katan 15a, 21b
Going to Console other Mourners: Moed Katan 21b
During the first week, the mourner doesn't leave his house: Moed Katan 23a
Holding an infant: Moed Katan 26b
Flipping the Bed; the Mourner's Chair
During the Moruner's Meal
Flipping over his bed: Moed Katan 15a-b, 20b, 21a
Flipping over beds which aren't slept in: Moed Katan 27a
From when the bed is flipped: Moed Katan 27a
Flipping a bed with protruding canopy-poles: Moed Katan 27a
Various types of chairs: Moed Katan 27a
Marital Behavior
General marital interaction: Moed Katan 20b, Ketuvot 4b
Sexual relations: Moed Katan 15b, 21a
A mourner who engages in sexual relations: Moed Katan 24a
Learning Torah
Learning Torah: Moed Katan 15a, 21a
Speaking words of Torah in the mourner's home: Moed Katan 23a Teaching Torah [without the usual assistant], where he is needed: Moed Katan 21a
Miscellania
Cleaning the mourner's house: Moed Katan 27a
Having spices and perfumes in the house, and making the Blessing on their Scent: Moed Katan 27a
A mourner doesn't stand before a Leader [Nasi], but if he stands then the Leader may not tell him to sit: Moed Katan 27b
Wearing Phylacteries: Berachot 11a, 16b; Moed Katan 15a, 21a; Ketuvot 6b; Tos. Berachot 11a #1
Having a mourner remove his Phylacteries if a new visitor arrives: Moed Katan 21a
Requirement of General Mitzvos: Berachot 11a, 16b, Ketuvot 6b
Sending Temple Offerings via a Proxy: Moed Katan 15b Living in a "Succah" Hut during Succos: Succah 25b
Customs
The mourner sits at the head: Moed Katan 28b
Drinking Wine in the Mourner's House: Pesachim 110a, Ketuvot 8b
Shutting down the Study Hall of a Legal Decisor who dies: Moed Katan 22b
Shutting down all of the Study Halls, and changing seats in the Synagogue, for a Chief Justice who dies: Moed Katan 22b
Shutting down the Study Halls, and praying only as individuals except for the reading of the Torah, for the death of a Leader ["Nasi"] of the Jews: Moed Katan 22b-23a
