4:1 Exod 19:20, 24; Ezek 1:1; Dan 2:28-29, 45
4:2 1 Kgs 22:19; Isa 6:1; Ezek 1:26-27
4:3 Ezek 1:26-28
4:4 Isa 24:23; Rev 11:16; 19:4
4:5 Exod 19:16; Ezek 1:13; Zech 4:2; Rev 1:4; 5:6
4:6-7 Ezek 1:5-22; 10:12, 14; Rev 15:7; 19:4
4:8 Isa 6:2; Ezek 1:18; 10:12; Amos 3:13
4:9 Dan 4:34; Rev 4:2; 5:1
4:10 Rev 4:4; 5:8, 14
4:11 Rev 10:6