Even a poor person should Lean: Pesachim 99b
Wives: Pesachim 108a
Children: Pesachim 108a
Students at the Table of their Rebbe: Pesachim 108a
Apprentices at the Table of their Master: Pesachim 108a
Servant who is serving the Meal: Pesachim 108a
When [Not] to Lean
While eating Matzah: Pesachim 108a
While eating Bitter Herbs: Pesachim 108a
While drinking the Four Cups of Wine: Pesachim 108a
Differentiating between the First Two Cups and the Last Two: Pesachim 108a
How [Not] to Lean
Leaning on one's right: Pesachim 108a
Leaning straight backward [the general interpretation of "Perakdan"]: Pesachim 108a
