- Presidential address: Seventy years in a North Lincolnshire parish
- Secretary’s report 1991
- Botany
- Bryology and lichenology
- Mycology
- Mammals – a review
- Birds on the farm – some recent trends
- Birds on the farm – corn buntings and skylarks
- Lepidoptera – moths
- Lepidoptera – butterflies
- Odonata
- Arachnology
- Conchology
- Invertebrates found at Thurlby Slipe, May 1991
- An oasis for wildlife in Spalding
- Obituary: J. H. Duddington – President LNU 1977, Lepioptera recorder 1973-1986
- Centenary year AGM address: Nature and naturalists in Lincolnshire 1893-1993
- Secretary’s report 1992
- City and County museum report
- Botany
- Banks and banksia and botany
- Bryology and lichenology
- The moss Dichodontium pellucidum (Hedw.) Schimp
- Bryophytes of some Lincolnshire anthills
- Mycology
- Lepidoptera – moths
- Lepidoptera – butterflies
- Odonata
- Beetle recording in Lincolnshire and South Humberside
- Uncommon reed beetles in Lincolnshire
- The aculeate wasps and bees (Hymenoptera: Aculeata) of Risby Warren in Watsonian Lincolnshire
- Arachnology
- Pseudoscorpions
- Conchology
- Review ‘ A beginner’s guide to the myxomycetes’ by H.J. Houghton
- Presidential address for 1992 (delivered 1994: Natural history collections in Lincolnshire
- Secretary’s report
- Botany
- Plant notes
- Bryology and lichenology
- The bryophyes of Horbling Spring
- Mycology
- Ornithology notes
- Lepidoptera – moths
- Lepidoptera – butterflies
- Odonata
- Diptera
- Insects other than lepidoptera collected by Joe Duddington
- Coleoptera
- Presidential address: Washingborough – the flora and fauna of a parish
- The bryophyte flora of the Spilsby Sandstone
- The hoverfly Neocascia interrupta (Meidgen)(Diptera: Syrphidae) new to Lincolnshire
- Secretary’s report
- Meetings in 1994 – field meetings
- Meetings in 1994 – indoor meetings
- Bryology and lichenology
- Mycology
- Lepidoptera – moths
- Lepidoptera – butterflies
- Odonata
- Diptera
- Coleoptera
- Spiders 1993 and 1994
- Conchology
- Mammals, reptiles and amphibians
- Lincolnshire man helps cause of extinction of Antipodean fauna
- Obituary: Christine Godfrey
- Obituary: Nell Parrish
- Obituary: Vyvyan Pennall