- Gas industry--Statistics--Periodicals (2)
- Petroleum industry and trade--Statistics--Periodicals (2)
- Power resources--Statistics--Periodicals (2)
- Energy industries--Statistics--Periodicals (1)
- Fuel--Prices--Statistics--Periodicals (1)
- Fuel--Taxation--Statistics--Periodicals (1)
- Power resources--Prices--Statistics--Periodicals (1)
- Power resources--Taxation--Statistics--Periodicals (1)