I have a high quality scan of Harold Darke's 3 Chorale-Preludes, Op. 20, published in 1919. I would like to upload this to the new Harold Darke page I have created on IMSLP. Thanks!
See 1919 Catalog of Copyright Entries, Pg. 1432: https://archive.org/stream/catalogofcop ... arch/Darke
Harold Darke — 3 Chorale-Preludes, Op. 20, No. 1-3 – 1919
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Re: Harold Darke — 3 Chorale-Preludes, Op. 20, No. 1-3 – 1919
Yes looks like that is proof enough you can post it on here. Since its first published before 1925, its eligible in the USA.