Deletion of Grietje Terburg Rowley

Comment: Some of the !votes above are based upon the subject winning prizes for their hymns in some unstated competitions, but the only source available at this point is https://books.google.com/books?id=si5LAAAAYAAJ This source in the article, which provides no preview to verify. No other sources have been presented herein to qualify  as having been met. Furthermore, and importantly, meeting one criteria of  does not guarantee presumed notability at all. The lead of the section states (bold emphasis mine): "Composers, songwriters, librettists or lyricists, '''may''' be notable if they meet at least one of the following criteria". May means potentially, not absolutely. What are the names and significance of the competitions or the prizes? How many competitions occurred, and what type of and how many prizes were awarded? Are the prizes awarded by the LDS church? Where is the significance of said awards from unknown competitions to qualify  from the start? Not seeing it thus far
Stance: comment
Cited policy: Wikipedia:Notability (WP:COMPOSER)

Comment: as passes  in being credited for the music in several notable compositions, mostly hymns, which have earned first prizes in hymn competitions, as per source, and is well-established in the list of women composers, as per Claghorn's source, which I also brought in the article (along with other two sources
Stance: keep
Cited policy: Wikipedia:Notability (WP:COMPOSER)