Toccata will release a recording of solo piano works by Bernhard van der Sigtenhorst Meyer, a few from the WWI dates around the end of the suggested time period here, a couple from a few years later. Presto shows 4 Dec release, oddly Amazon USA shows that it was released several days ago, although it is listed as "out of stock". Don't see it yet on Amazon UK.
https://smile.amazon.com/Piano-Music-Brussee/dp/B08LNBW95X/ref=sr_1_162?dchild=1&fst=as%3Aoff&qid=1605570842&refinements=p_n_date%3A1249114011&rnid=1249111011&s=music&sr=1-162 (https://smile.amazon.com/Piano-Music-Brussee/dp/B08LNBW95X/ref=sr_1_162?dchild=1&fst=as%3Aoff&qid=1605570842&refinements=p_n_date%3A1249114011&rnid=1249111011&s=music&sr=1-162)
https://www.prestomusic.com/classical/products/8847946--bernhard-van-der-sigtenhorst-meyer-piano-music (https://www.prestomusic.com/classical/products/8847946--bernhard-van-der-sigtenhorst-meyer-piano-music)
Intrigued, based on what I've seen in score. Thanks.