{{sfn|Schuler|2021|p=}}
* {{cite book | last=Schuler | first=Paul | title=United Front | publisher=Studies of the Walter H. Shore | publication-place=Stanford | date=2021 | isbn=978-1-5036-1462-8}}
<ref name="h957">{{cite book | last=Schuler | first=Paul | title=United Front | publisher=Studies of the Walter H. Shore | publication-place=Stanford | date=2021 | isbn=978-1-5036-1462-8 | page=}}</ref>