Laws of mourning on Shabbat and on a festival - Laws of festivals that cancel shivah and shloshim
Laws of one who did not observe mourning - Testimony that makes mourning necessary
A mourner is forbidden to marry, and the laws of a groom or bride that became mourners - When the mourner may leave his home
Other things that are prohibited to a mourner - Things prohibited because of joy even after shivah
The prohibition to bathe, annoint, wear leather shoes and have relations & not to study Torah and greet people
Laws of comforting the mourners - A mourner is forbidden to work shivah
Timely and delayed news of the death - Laws of comforting the mourners
The meal of condolence - Laws of timely and delayed news of the death
The laws of defilement of a kohen - On which relatives and children one mourns
The laws of burial on a festival - The laws of a suicide and a wicked person's death