58:53 duration 58 minutes 53 seconds
Bannerman_Presentation
02:20:55 duration 2 hours 20 minutes
0618-DavisWillaKnox
53:21 duration 53 minutes 21 seconds
0629pt2-StricklandHal
01:27:31 duration 1 hour 27 minutes
0088-Dr.HarrisonEdwin
01:14:33 duration 1 hour 14 minutes
0019-JohnsonWilliam
55:06 duration 55 minutes 6 seconds
0020-HaasJacob