From Mathew Hartke on Fifth Act Theology. A sample:

Revelation 21

21:1 echoes Isa 65:17; 66:22
21:2 echoes Isa 52:1b
21:3 echoes Ezek 43:7 and Ezek 37:26-28
21:4 alludes to Isa 25:8; 35:10; 51:11; 65:17
21:5 draws from Isa 43:19 LXX
21:6 alludes to Isa 49:10
21:7 alludes to 2 Sam 7:14 may be inspired by Isa 55:1-3
21:9-10 combines allusions to Ezek 43:5 LXX and Ezek 40:1-2 LXX
21:11 echoes Isa 58:8; 60:1-2, 19
21:12-13 echoes Ezek 40:5-6; 42:15-19; 48:31-34
21:15 alludes to Ezek 40:3-5
21:16 alludes to Ezek 45:2-3, and may also have 1 Kings 6:20 in mind
21:18-20 is based on 1 Kings 6:20-22; Exod 28:17-20; Isa 54:11-12
21:23 is based on Isa 60:19 (cf. Isa 24:23)
21:24-26 alludes to Isa 60:3, 5, 11