Collagen Type 1 (one): Bone (Also found in skin and tendon)
Collagen Type 2 (two): Cartwolage (cartilage)
Collagen Type 3 (three): Rethreeculin(reticulin)
Collagen Type 4 (four): Floor (Basement Membrane)
There are several more types of collagen, however, you should remember atleast these four.