• Presidential Address, Lincoln, 24 November 1927 – Martin Lister and Lincolnshire Natural History
  • Report of the Hon. Secretary 1927
  • Botany
  • Conchology
  • Entomology
  • Ornithology: Notes on the migration of bids in North Lincolnshire, Other notes on birds
  • Geology
  • The twenty-third President of the LNU – H.B. Willoughby-Smith, M.B., Lond., F.R.C.S., Eng., L.R.C.P., Lond.
  • The shag
  • Studies in the genus Phaedon
  • Book notices – A short history of Lincoln, British spiders
  • Studies in the genus Phaedon
  • Presidential Address, Lincoln 29 November 1928 – The white chalk of Lincolnshire
  • List of the fossil fauna of the white chalk
  • Report of the Hon. Secretary 1928
  • Botany
  • Entomology
  • Ornithology – Notes on the migration of birds in North Lincolnshire, Autumn 1928
  • Birds in the Grimsby District
  • Geology
  • Miscellaneous notes
  • In Memoriam – Richard William Goulding (1868-1929)
  • Presidential Address, Lincoln, November 1929 – Mollusca problems in Hubbard’s valley
  • Report of the Hon. Secretary 1929
  • Botany
  • Conchology
  • Entomology
  • Geology
  • Ornithology – Notes on the migration of birds in North Lincolnshire, Autumn 1929
  • Bird notes from the Grimsby District 1929
  • Autumn migration of birds on the Lincolnshire coast between Hutoft Bank and Chapel Point 1929
  • A lower Lias ammonite
  • The twenty-fourth President of the LNU – The Reverend Sumner Colpoys Wood, B.A.
  • The work of the Union
  • Galathea strigosa
  • Notes on the grain weevil (Calandra granaria)
  • City and County Museum
  • Presidential Address to the LNU, Lincoln  November 1930 – Lincolnshire Freshwater Algae
  • Phenological observations in Lincolnshire
  • The twenty-fifth president of the LNU – H. Wallis Kew
  • Ray’s journey through Lincolnshire 1661
  • Additions to the list of fossil micro-fauna of the white chalk of Lincolnshire
  • Report of the Hon. Secretary 1930
  • Botany
  • Geology
  • Conchology
  • Entomology
  • Notes on the migration of birds in North Lincolnshire, Autumn and winter 1930-1
  • Bird notes from the Grimsby district 1930
  • Bird notes
  • An addition to the Lincolnshire spiders
  • Marine zoology
  • Biology for schools – book review