In the following years he published three more books, wrote numerous articles, and became a popular authority on the history of the Philippine Scouts.

The 57th Infantry Regiment was a unit in the Philippine Scouts.

Unlike its previous organization enlisted personnel of the division were exclusively Philippine Scouts.

During the year 44 more companies were inactivated, but 14 new companies were created for the Philippine Scouts, and a 15th in 1923.

A company of engineers from the Philippine Scouts worked on the construction as foremen and clerks.

The Philippine Scouts who augmented American forces during the campaign suffered 116 killed and 189 wounded.

He quickly rose in rank with the Philippine Scouts.

When the invasion came, three days before Christmas, Joe led a platoon of Philippine Scouts.

After reinforcement, the Department's strength as of 30 November 1941 was 31,095, including 11,988 Philippine Scouts.

During this period, he managed to successfully recruit members for the Philippine Scouts and fight against insurgents.