• List of Officers, 1970-71
  • Presidential address: The Distribution of nature reserves in the Natural Regions of Lincolnshire
  • Geology
  • Kellaways and Cornbrash at Bishop Norton
  • Botany
  • Mycology
  • Thorne Waste 1970
  • Bryology
  • Lichenology
  • Vertebrate Zoology
  • Entomology
  • Conchology (Non-Marine)
  • Report of the Hon Secretary 1971-72
  • Obituary: Arnold Roebuck O.B.E.,  N.D.A., F.R.E.S., (1887 – 1971)
  • List of Members Up as at July 1972
  • Statement of Account 1971
  • Lincolnshire Bird Report: Introduction
  • Lincolnshire winter survey 1971
  • Summary of nine years of British Trust for Ornithology Common Bird Census at Brattleby near Lincoln
  • Manor Farm, Low Toynton
  • Ringing report
  • Selected ringing recoveries
  • Lincolnshire coastal migration report
  • General bird report
  • Extreme dates of some common migrants
  • List of contributors
  • List of Officers, 1972-73
  • Presidential address: Birds from my earliest days
  • The Non-Marine Mollusca of a Fenland 10km National Grid Square
  • Notes on the occurrence of Orobanche purpurea Jacq. in Lincolnshire
  • Botany
  • Lichenology
  • Vertebrate Zoology
  • Lepidoptera
  • Report of the Hon Secretary 1972-73
  • Lincolnshire Bird Report: Introduction
  • Winter mute swan census 1972
  • The autumn migration of the redstart at Gibraltar Point
  • Ringing report
  • Selected ringing recoveries
  • General bird report
  • Extreme dates of some common migrants
  • List of contributors
  • Presidential address: Natural History of Lincoln’s South Common – A 25 year Study
  • A further note on the occurrence of Orobanche purpurea Jacq.. (Blue Broomrape) In Lincolnshire
  • Botany
  • Mycology
  • Bryology and Lichenology
  • Vertebrate Zoology
  • Entomology
  • Conchology (Non-Marine)
  • Sphaerium solidum (Normand) A Freshwater Mussel New to the British Fauna
  • Report of the Hon Secretary 1973-74
  • Statement of Account 1973
  • Lincolnshire Bird Report: Introduction
  • Census of breeding black headed gulls, common terns, ringed plovers and little ringed plovers in 1973
  • Results of bird counts 1968-71
  • Ringing report
  • Selected ringing recoveries
  • General bird report
  • Extreme dates of some common migrants
  • List of contributors
  • List of Officers, 1974-75
  • Botany
  • Mycology
  • Bryology
  • Lichenology
  • Vertebrate Zoology
  • Entomology
  • Conchology (Non-Marine)
  • Ornithology Report: introduction
  • The mid-winter coot census 1974
  • Ringing report
  • General bird report
  • Extreme dates of some common migrants
  • List of contributors