Bringing the knife in a visible fashion, to show love of the Mitzvah: Shabbat 130a
Bringing the knife in a visible fashion, to prevent suspicion: Shabbat 130a
Above, during a time when it was forbidden by the Government: Shabbat 130a
Using witnesses when concealing the knife due to gov't oppression: Shabbat 130a
Circumcision Procedure
What time of day to perform the Circumcision: Megillah 20a [2x], 20b
Circumcision by a non-Jew: Menachot 42a, 42b
Circumcision by a Kuti: Menachot 42a Doing the Mitzvah Beautifully: Shabbat 133b
Source for Milah being on the genitalia specifically: Shabbat 108a
If "Revealing the Circumcision [Pireeah]" wasn't done: Shabbat 137b
Going back for extra pieces which weren't cut: Shabbat 133b
The measure of extra pieces of flesh which must be cut: Shabbat 137a-b
Method of Measurement of the pieces of flesh for a child who has extra fat covering the circumcision: 137b
What to do for a child who has flesh overlapping, making him appear Uncircumcised: Shabbat 137a
One must bar the practice of a Circumcisor who doesn't suck out the blood [Metzitzah], as that is dangerous for the child: Shabbat 133b
Extra-Circumcision Procedure
Blessing of "SheHaSimchah BeMiono": Ketuvot 8a
Blessing of "SheHechiyanu" for special occasions: Eruvin 40b
Reciting a blessing "Who sanctifies Israel and Special Occasions": Eruvin 40b
The Circumcisor's blessing: Menachot: 42a, 42b
Wording of the Blessing of the Mitzvah: Shabbat 137b, Pesachim 7b
Wording of the father's Blessing: Shabbat 137b
Prayer of the bystanders: Shabbat 137b
Prayer of the Circumcisor: Shabbat 137b
Mentioning Isaac in the prayers, as the prototype of Circumcision: Shabbat 137b
Circumcision is especially dangerous for the first 3 days afterward: Shabbat 86a, 134b