One should always have his Phylacteries on: Shabbat 153a
Failure to wear phylacteries annuls eight positive commandments: Menachot 44a
The Blessing on the Head and Arm Phylacteries: Menachot 42b
Specifically wearing phylacteries for Recitation of Shema: Berachot 14b
How many times one makes a blessing, daily, on Phylacteries: Succah 46a; Menachot 43a
Not travelling 4 Cubits without Phylacteries: Shabbat 118b; Succah 28a; Megillah 28a
Whether a merchant of Phylacteries is exempt from performing other Mitzvot while marketing Phylacteries: Succah 26a
Because Phylacteries have intrinsic holiness, items which function with them are considered items which serve holiness, and they may not be disposed of. Instead, they are buried: Megillah 26b
The normal manner of wearing phylacteries is to wear one pair, not multiple pairs: Eruvin 95b
Conditions
Phylacteries require a "Clean Body": Shabbat 130a
Definition of the requisite "Clean Body": Shabbat 130a Urinating while wearing Phylacteries: Berachot 23a-b; Succah 41b
Concern for passing gas while wearing phylacteries: Berachot 23a
Phylacteries on Shabbat: Shabbat 132a
Wearing phylacteries in a cemetery: Berachot 18a
Whether a person must intend to fulfill the Mitzvah in order to get credit for wearing phylacteries: Eruvin 95b-96a
Whether one fulfills a Mitzvah when wearing only the Head or Arm Phylactery, without its partner: Menachot 38a
Whether one should wear one of the two phylacteries, if he doesn't have the other: Menachot 44a
Whether Phylacteries are considered to be a Time-Bound Mitzvah: Kiddushin 35a Going to the bathroom and Washing hands before putting on Phylacteries: Berachot 14b-15a
Sleeping/Napping [and their definitions] while wearing Phylacteries: Berachot 23b; Succah 26a-b, 41b
Sexual relations while wearing Phylacteries: Succah 26b Eating while wearing tefillin: Berachot 23b
Wearing Phylacteries after a seminal emission, before immersing in a Mikvah [ritual bath]: Succah 26b
What to do if one experiences seminal emission while wearing Phylacteries: Succah 26a-b
How far from a bathroom one must remove his phylacteries, and where he should store them: Berachot 23a-b
What happens if one is in the bathroom and realizes he is still wearing his phylacteries: Berachot 25a
Not to carry a burden on one's head, atop the Phylacteries: Eruvin 95b