Vector functions of one variable & Curves and Parametrizations (Sec. 11.1 and 11.3):
Lecture Notes 1 (pdf) — Lecture 1 (audio file)

Arclength & Line integrals of functions (Sec. 11.3 and 15.3):
Lecture Notes 2 (pdf) — Lecture 2 (audio file)

Vector fields & Gradient, Divergence and Curl & Conservative Vector Fields (Sec. 15.1, 16.1 and 15.2):

Lecture Notes 3 (pdf) — Lecture 3 (audio file)

Line integrals of vector fields (Sec. 15.4):

Lecture Notes 4 (pdf) — Lecture 4 (audio file)

Path Independence (Sec. 15.4):

Lecture Notes 5 (pdf) — Lecture 5 (audio file)

Green’s Theorem (Sec. 16.3):

Lecture Notes 6 (pdf) — Lecture 6 (audio file)