If you'd like to cross reference the use of the word 'بَلْ':
2:88, 2:100, 2:116, 2:135, 2:154, 2:170, 2:259, 3:169, 3:180, 4:155, 4:158, 5:18, 5:64, 6:28, 6:41, 7:81, 7:179, 10:39, 11:27, 12:18, 12:83, 13:31, 13:33, 15:15, 15:63, 16:75, 16:101, 18:48, 18:58, 20:66, 21:5 (x2), 21:18, 21:24, 21:26, 21:40, 21:42, 21:44, 21:56, 21:63, 21:97, 23:56, 23:63, 23:70, 23:71, 23:81, 23:90, 24:11, 24:50, 25:11, 25:40, 25:44, 26:74, 26:166, 27:36, 27:47, 27:55, 27:60, 27:61, 27:66 (x2), 29:49, 29:63, 31:21, 31:25, 32:3, 32:10, 34:27, 34:32, 34:33, 34:41, 25:40, 36:19, 37:12, 37:26, 37:29, 37:30, 37:37, 38:8 (x2), 38:60, 39:29, 39:49, 40:70, 43:22, 43:29, 43:58, 44:9, 46:24, 46:28, 48:11, 48:12, 48:15 (x2), 50:2, 50:5, 50:15, 51:53, 52:33, 52:36, 54:25, 56:67, 67:21, 68:27, 74:52, 74:53, 75:5, 75:20, 82:9, 83:14, 85:21, 87:16, and 89:17