Please note that within this document, the term "Tzitzit" refers to the fringe-strings which are worn on the corners of four-cornered garments.
General Issues
Whether one recites a Blessing on making Tzitzit: Menachot 42a
Using strings which were connected to the garment beforehand: Succah 9a, 11a-b; Menachot 40b [2x]
Moving Tzitzit from one article of clothing to another: Pesachim 101a; Menachot 41a-b
Tzitzit made by a Nochri: Menachot 42a-b
Whether one may sell Tzitzit to a Nochri, and why there should be a concern: Menachot 43a
Dyeing the Techelet thread with intent for the sake of the Mitzvah: Eruvin 96b; Menachot 42b
Looping the Tzitzit through the Corner
How far from the edge the strings are to be looped through the garment: Menachot 42a
What if the strings are an adequate distance from the edge initially, but then [due to damage] are moved closer to the edge later on: Menachot 42a
Doubling over 4 strings, to produce 8: Menachot 39b, 42a
Using 8 strings, doubled to produce 16: Menachot 42a
Doubling over the strings before placing them through the corner: Menachot 42a
Having the strings dangle over the corner: Menachot 42a
Whether the Tzitzit are valid if they are looped through the edge of the garment, or the thick threads of the seam: Menachot 42a
Adding strings to a garment which already has strings: Menachot 40b-41a
The above, where the added strings create a mixture of wool and linen: Menachot 40b-41a
Whether a violation is created, if one puts strings creating a mixture of wool and linen on to a garment which is undersized for the Mitzvah of Tzitzit: Menachot 40b-41a
Preparation of associated necessities for Tzitzit on Shabbos: Shabbat 131a-b, 132a
Knots and Encirclings of the Strings
The level of the obligation for having the topmost knot: Menachot 39a
Whether the string which wraps around the others, is counted in the 8: Menachot 39a
How many knots to make: Menachot 38b-39a
How many times to encircle the strings in a wrapping string: Menachot 39a