04:35 duration 4 minutes 35 seconds
D503-Ch11-Vid-A
07:46 duration 7 minutes 46 seconds
D503-Ch10-Vid-D
08:48 duration 8 minutes 48 seconds
D503-Ch06-Vid-B
06:27 duration 6 minutes 27 seconds
Jacobs-4th-Ch-11-Vid-F
07:18 duration 7 minutes 18 seconds
Jacobs-4th-Ch-09-Vid-G
07:32 duration 7 minutes 32 seconds
Jacobs-4th-Ch-06-Vid-A