Protocol amending the Convention for the Prevention of Marine Pollution by Dumping from Ships and Aircraft; Convention for the Protection of the Marine Environment of the North-East Atlantic; Convention on the Protection of the Marine Environment of the Baltic Sea Area, 1992
Edition 1994-08-23

List of interworks medical care services for employed persons in the Land North Rhine-Westphalia
Edition 1981-04-22

The Land Forestry Act for the Land North Rhine-Westphalia (Land Forestry Act - LFoG)
Edition 1980-04-24

Act for the amendment to the Disaster Control Services Act of North Rhine-Westphalia
Edition 1982-12-21

Disaster Control Services Act of North Rhine-Westphalia (KatSG NW)
Edition 1977-12-20

Water Act for the Land North Rhine-Westphalia (The Land Water Act - LWG)
Edition 1995-06-25

Tools and protection equipment in the government forestry enterprises of the Land North Rhine-Westphalia
Edition 1979-07-16

Planning and design fundamentals for rapid transit railways in North-Rhine Westphalia
Edition 1982-06-30

Running waters in North Rhine-Westphalia; guidelines for a natural development and maintenance
Edition 1980-10-01

Roads and Lanes Act of the Land North Rhine-Westphalia (StrWg NW)
Edition 1995-09-23