Library Search info for a very useful book unfortunately long out of print.

Title Details: - The Long Trail: soldiers' songs and slang, 1914-18 by John Brophy & Eric Partridge

Edition: - Revised ed
Publisher: - London : Sphere, 1969
ISBN/ISSN: - 0722118856
Language: - English
Holding Libraries: - Dublin - Trinity College Library ; vp 10944;

Now if Ireland O'Reilly holds a clue to location you're in luck !

AndyG