David Ross, Memory Alpha

Kelsey Grammer, Memory Alpha

Keeping the memory alive: Former workers recall Alpha Portland Cement – The Morning Call

Victor Brandt, Memory Alpha

The Federation, Memory Alpha

David Ross, Memory Alpha

HyperX Cloud Core Wireless Gaming Headset for PC with DTS Headphone:X Spatial Audio, Detachable Noise-Cancelling Microphone, Memory Foam Ear Pads, Durable Aluminum Frame, Black (Renewed)

William Ross, Memory Alpha

David Ross, Memory Alpha

Center for Safety & Change

Keeping the memory alive: Former workers recall Alpha Portland Cement – The Morning Call

David L. Ross, Memory Alpha, das Star-Trek-Wiki

William Ross, Memory Alpha

William Ross, Memory Beta, non-canon Star Trek Wiki