UPDATE: Vauxhall A-D Register has a youtube channel! 
​www.youtube.com/channel

Here are some more useful links:

A-D Register Photo gallery:
www.flickr.com/photos/davidkirke/albums
Vauxhall Heritage:
https://www.vauxhall.co.uk/experience/vauxhall-news/2020/11/vauxhall-heritage-collection-on-the-move.html​
Laurence Pomeroy:
​https://en.wikipedia.org/wiki/Laurence_Pomeroy
Further reading - Nic Portway's books:
​www.newwensum.co.uk​
Vauxhall A-Type Wiki:
en.wikipedia.org/wiki/Vauxhall_A-Type
Vauxhall Owners club 1903-1957:
www.voc1903-57.co.uk
VBOA:
 www.vboa.org.uk
Vauxhall 23-60 (OD781):
https://www.youtube.com/watch?v=oILWm9Xp5Co
Around Australia 1913 Vauxhall "D" Type:
www.youtube.com/watch?v=rPX4x9E2pkw
London to Vladivostok and Tokyo 1913 Vauxhall "D" Type: 
www.youtube.com/watch?v=4SYqJG0dXtM
VSCC Australia Vauxhall pages:
www.vscca.org.au/car-vauxhall.html
​www.vccansw.com/vauxhall
The unveiling of OD1115:
www.youtube.com/watch?v=_8VMYiB6yBE
The Adventures of Penny:
https://juliestephenson.net/higher-and-higher-5000mts-elevation-in-tibet/​
A brief history of Vauxhall Gardens, London:
www.vauxhallgardens.com/vauxhall_gardens_briefhistory_page.html