1. The Building Regulations 1972. SI 317. HMSO (1972) and The Building (First Amendment) Regulations 1973. SI 1276. HMSO (1973)
2. British Standards Institution. CP 3: chapter V: Loading; Part 1: 1967 Dead and imposed loads and Part 2: 1972: Wind loads
3. British Standards Institution. CP 112: The structural use of timber, Part 2: 1971 (Metric units)
4. British Standards Institution. BS 1579: 1960 Connectors for timber
5. Building Research Station Digest 77 (Second Series): Damp-proof courses. HMSO (1966)