1940 advertisement for Toyota trucks and buses. (The year of 1940 is shown as the <a href="https://en.wikipedia.org/wiki/Japanese_imperial_year" class="extiw" title="w:Japanese imperial year">Japanese imperial year</a> 2600 on both vehicles' license plates. The vehicles depicted may be a <a href="https://en.wikipedia.org/wiki/Toyota_G1#DB_bus" class="extiw" title="w:Toyota G1">DB bus</a> and a <a href="https://en.wikipedia.org/wiki/Toyota_G1#GB" class="extiw" title="w:Toyota G1">GB truck</a>, which were current in that year.)
省営自動車十年史刊行会
1940
<p>省営自動車十年史
</p>
国立国会図書館デジタルコレクション　<a rel="nofollow" class="external free" href="https://dl.ndl.go.jp/info:ndljp/pid/1072879">https://dl.ndl.go.jp/info:ndljp/pid/1072879</a>