- List of Officers, 1964
- Statement of Account 1963
- List of Members revised to 1st December 1964
- Presidential address: The Snakes of Lincolnshire
- The Basal Lias near Long Bennington
- Lincolnshire Natural History recording Units A Mathematical Approach
- Biological records of the Humber Estuary (Lincolnshire)
- Report of the Hon Secretary 1963
- Botany
- Bryology
- Lichenology
- Mycology
- Entomology
- Arachnology
- Lincolnshire Bird Report 1963
- List of Officers, 1965
- Statement of Account 1964
- Presidential address: Scotton Common Nature Reserve
- Some Factors Limiting the distribution of Halimione portulacoides (L.) Aell var. latifolia (Gussone) Submergence and Soil Type
- Lincolnshire Psocids
- A Temporary Exposure of Lias near Cleatham Barrow
- Report of the Hon Membership Secretary and Treasurer 1964
- Botany
- Lichenology
- Mycology
- Entomology
- Arachnology
- Lincolnshire Bird Report 1964
- List of Officers, 1966
- Statement of Account 1965
- Presidential address: The Wild Geese of Lincolnshire
- A Check List of Lincolnshire Lichens
- Report of the Hon Secretary 1965
- Botany
- Bryology
- Lichenology
- Mycology
- Entomology
- Arachnology
- Lincolnshire Bird Report 1965
- New Members Up to July 1st 1966
- List of Officers, 1967
- Statement of Account 1966
- Presidential address: The Uffington Gravel Pits; An Ecological Study
- A Preliminary List of Lincolnshire Psocoptera
- Report of the Hon Secretary 1966-67
- Geology A Terbratula Bed at Clipsham
- An Exposure of Red Chalk at Ings Farm, Belchford
- Botany
- Mycology
- Bryology
- Lichenology
- Mammals
- Cetacea
- Arachnology
- Constitution
- New Members Up to June 1st 1967
- Lincolnshire Bird Report 1966