Using hymnary.org to search the Psalter Hymnal, Singing the New Testament and Sing! A New Creation, I found four hymns based on Revelation 3.14-22.

• Stanza 2 of Clothe yourself, my soul, with gladness (Psalter Hymnal #305) refers to Revelation 3.20. (link to text at hymnary.org)
• Stanza 1 of Come, thou long-expected Jesus (Psalter Hymnal #329) refers to Revelation 3.21. (link to text at hymnary.org)
• Here I stand at the door (Singing the New Testament #247) refers to Revelation 3.20 (link to entry – no text available – at hymnary.org)
• The Son of Man has been revealed (Singing the New Testament #245) refers to Revelation 3 (link to entry – no text available – at hymnary.org)