How many men must be present in order for the situation not to be considered "isolation": Sotah 7a
Differentiating between seclusion in urban and rural areas: Sotah 7a
There is no such thing as having a guardian to prevent sexual immorality: Ketuvot 13b
Seclusion of a man and woman together, with a woman's maid present: Ketuvot 27b
Seclusion of a man and woman together, beneath a tree with low-hanging branches: Megillah 14a
The prophetess Devorah and her concern with the prohibition against being alone with a man: Megillah 14a
Seclusion of a future husband and wife together before marriage in the "Yehudah" geographic area: Ketuvot 7b, 9b, 12a
Punishment of whipping for breaking the Rabbinic injunctions on seclusion: Ketuvot 13a
Whether seclusion with a man prohibits a woman from marrying a Kohen: Ketuvot 13a
Seclusion of a former husband and wife together after a Bill of Divorce is given, where the bill is supposed to take effect just before his death: Ketuvot 27b
Regarding having a wedding canopy in a Succah Hut: Succah 25b