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- Official changes in the active list of permissible explosives and blasting devices for November, 1930
- Official changes in the active list of permissible explosives and blasting devices for December, 1930
- Official changes in the active list of permissible explosives and blasting devices for February, 1930
- Official changes in the active list of permissible explosives and blasting devices for March, 1930
- Official changes in the active list of permissible explosives and blasting devices for June, 1930
- Active list of permissible explosives and blasting devices approved prior to June 30, 1930.
- Official changes in the active list of permissible explosives and blasting devices for September, 1930