The T3 Light Tank was an attempt to get a lighter vehicle in order to fit the new US classification for light tanks.
Light Tank T3 - Tank Encyclopedia
has possibility of coming French tanks? - Ground Forces Discussion - War Thunder - Official Forum
Owen McDonough – Tank Encyclopedia
WW2 Japanese Light Tanks Archives - Tank Encyclopedia
Tank Encyclopedia - The Online Tank Museum
Škoda Š-I-d (T-32) - Tank Encyclopedia
WW2 French Light Tanks Archives - Tank Encyclopedia
Medium Tank M3 Lee/Grant - Tank Encyclopedia
Do any tanks have tracks which are curved at the end to help prevent stripping off the tracks at speed? - Quora
Cold War US Light Tank Prototypes Archives - Tank Encyclopedia
WW2 French Light Tanks Archives - Tank Encyclopedia
Light Tank T3 - Tank Encyclopedia
WW2 US Light Tank Prototypes Archives - Tank Encyclopedia
Panzer I C - If Sonic was a tank : r/TankPorn