Bugle Call Rag
Chimes of Normandy
The Cobbler's Song, (from Chu Chin Chow)
Hello My Soldier Boy - a Wireless Novelty
Our Hearts Go Out to You, Canada
Say a Prayer for the Boys Out There
Soldier Boy
Soldier Boy I Kiss Before You Go
Would You Rather be a Colonel with an Eagle on Your Shoulder or a Private with a Chicken on Your Knee?

Source
Post-war advertisement for two popular songs of the day, Toronto Daily Star, January 24, 1919, p. 12