Do not just pull out every stop blindly. Look at the harmonic tension Rawsthorne creates. Save your heaviest reeds, mixtures, or the solo Tuba stop for the ultimate climax of the verse—often the final line or the final cadence.
The best way to acquire a legal digital version is to check if the publisher offers an official e-book or digital download format. Alternatively, many organists buy the physical book and manually scan it for personal use on their digital music readers, which is generally permissible under personal-use copyright exemptions in many regions.
The physical edition is spiral-bound, allowing it to lie flat on the organ music stand, which is highly practical for fast-paced service playing. The Value of "400 Last Verses" in Worship