Tools for progress : guide to equipment and materials for small-scale development available in the United Kingdom /

Eitemau Tebyg

• The Power guide : a catalogue of small scale power equipment /
  Cyhoeddwyd: (1979)
• ASE's spectrum : an alternate technology equipment directory /
  Cyhoeddwyd: (1975)
• The country gentlemen's catalogue of requisites for the house, field, farm, garden, stable, kennel, etc. : to which is added a note book, prize record and directory, specially compiled for the use of country gentlemen.
• Whole earth epilog : access to tools.
  Cyhoeddwyd: (1974)
• Tools for homesteaders, gardeners, and small-scale farmers : a catalog of hard-to-find implements and equipment /
  Cyhoeddwyd: (1978)