With thanks to garm for pointing this out on Facebook -

It is possible to browse (and download!) the entire volume of A Spring Harvest by Geoffrey Bache Smith through the online repository of The British Library. The book is available without license (it is in the public domain).

This volume of poetry was edited by Tolkien, who also wrote the prefatory note. GB Smith was one of the TCBS and a friend of Tolkien's who died in the Great War.

A Spring Harvest by GB Smith - at the British Library