The British Library [London] has the sheet music, described thus:

I DO LIKE A S'NICE S'MINCE S'PIE. <Song.>
Written and composed by W. David and B. Lee.

Author: Worton David; Bert Lee
Publisher: London : Star Music Publishing Co, [1914]
Edition/Format: Musical score


The State Library of Queensland [Brisbane, Australia] has the sheet music in another format:

Feldman's album of song memories no. 3: containing a selection of popular songs of the past: complete with words, music and tonic sol-fa.

Publisher: London: B. Feldman, ©1948.
Edition/Format: Musical score : English

Other Titles: Down Texas way., How 'ya gonna keep 'em down on the farm., I do like a s'nice s'mince s'pie., I don't care what becomes of me., I wonder if you miss me sometimes., If you're Irish come in-to the parlour., I'm twenty-one today., In the evening by the moonlight, dear Louise., Just a wee Deoch-an-Doris., The mansion of aching hearts., My heart is with you tonight., They all walk the Wibbly Wobbly Walk., Waltz me around again, Willie., We used to gather at the Old Dun Cow., We're Irish and proud of it too., Where the Black-eyed Susans grow.


I don't believe either is viewable online.