File contains reprints of the following research papers written and co-authored by George Gray:

1. 'An Improved Synthesis of 4-Bromo-4'-hydroxydiphenyl' by G,W, Gray, J.B. Hartley and Brynmor Jones (May 1952);

2. 'The Friedel-Crafts Reaction on 2-Methoxyfluorene and the Preparation of 7-Methoxyfluorenone-2-carboxylic Acid' by G.W. Gray, J.B. Hartley and A. Ibbotson (Aug 1955);

3. 'Steric Effects in Conjugated Systems' by G.W. Gray (Aug 1958);

4. 'The Nitration of p-Terphenyl in Glacial Acetic Acid' by Paul Culling, G.W. Gray and D. Lewis (Apr 1960);

5. 'Infra-red absorptions of sulphones' by P.M.G. Bavin, G.W. Gray and A. Stephenson (Jul 1960);

6. 'Some New Di- and Tri-nitro-p-terphenyls' by G.W. Gray and D. Lewis (Mar 1961);

7. 'Isomer Ratios for the Mononitration of p-Terphenyl in Acetic Acid and Acetic Anhydride' by G.W. Gray and D. Lewis (Dec 1961);

8. 'Julius Schmidt's Addukt aus N2O5 und Phenanthren' by G.W. Gray and P.M.G. Bavin (1963) [in German];

9. 'The Reductive Cyclisation of 2-Nitro-p-terphenyl. 2-Phenylcarbazole' by G.W. Gray and D. Lewis (Sep 1964);

10. 'Crystallographic Data for the 2'-Halogenobiphenyl-4-carboxylic Acids and 4-Acetyl-2'-halogenobiphenyls' by G.W. Gray, H.H. Sutherland and D.W. Young (Jul 1965);

11. 'The Effects of 3'- and 4'-Substituents on the Ionisation Constants of Biphenyl-4-carboxylic Acid and 4-Aminobiphenyl' by D.J. Byron, G.W. Gray and R.C. Wilson (1966);

12. 'The Effects of 2'-Substituents on the Ionisation Constants of Biphenyl-4-carboxylic Acid, 4-Aminobiphenyl, and 4-Biphenylylacetic Acid' by D.J. Byron, G.W. Gray and R.C. Wilson (1966);

13. 'The Synthesis of some Substituted Biphenyl-4-carboxylic Acids, 4-Biphenylylacetic Acids, and 4-Aminobiphenyls' by D.J. Byron, G.W. Gray and R.C. Wilson (1966).