John Gagg

year of pub­li­ca­ti­onISBNauthor(s)title
1975978-0-9504226-0-2John Gagg'sBook of Locks - Looking at Inland Waterways
  ''978-0-9504226-1-9J.C. GaggBook of Narrow Canals (Looking at inland waterways)
1976978-0-9504226-2-6J.C. GaggBook of Canal Tunnels (Looking at Inland Waterways)
  ''978-0-9504226-3-3John Gagg250 waterway landmarks (Looking at inland waterways)
1977978-0-9504226-4-0J.C. GaggCanals in a Nutshell (Looking at Inland Waterways)