I don't know how many know about these journals here, but for me this was a new thing, eventhough I have visited this site several times. All Armored Car journals of David R. Haugh, here in PDF.
Some interesting articles:
Issue 1 - Minerva Issue 3 - Armored Cars in Baltic States 1918-1940 Issue 4 - White-Laffly Issue 8 - Garford-Putilov Issue 22 - Citroen-Kegresse Issue 26 - Russian Armored Cars of WW I Issue 27 - Experiences on Heavy Vehicles during WW I Issue 34 - French Armored Cars 1902-1945
