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

1. 'Mesomorphism of some Alkoxynaphthoic Acids' by G.W. Gray and Brynmor Jones (Jan 1951);

2. 'Influence of Substituents on the Mesomorphism of p-n-Alkoxybenzoic and 6-n-Alkoxy-2-Naphthoic Acids' by G.W. Gray and Brynmor Jones (Sep 1952);

3. 'A Heating Instrument for the Accurate Determination of Mesomorphic and Polymorphic Transition Temperatures' by G.W. Gray (Dec 1953);

4. 'The Mesomorphic Transition Points of the p-n-Alkoxybenzoic Acids. A Correction' by G.W. Gray and Brynmor Jones (Dec 1953);

5. 'The Preparation of 4- and 5-n-Alkoxy-1-naphtoic and 6- and 7-n-Alkoxy-2-naphthoic Acids' by G.W. Gray and Brynmor Jones (Feb 1954);

6. 'Mesomorphism and Chemical Constitution. Part I. The n-Alkoxynaphthoic Acids' by G.W. Gray and Brynmor Jones (Feb 1954);

7. 'Mesomorphism and Chemical Constitution. Part II. The trans-p-n-Alkoxycinnamic Acids' by G.W. Gray and Brynmor Jones (May 1954);

8. 'Mesomorphism and Chemical Constitution. Part III. The Effect of Halogen Substitution on the Mesomorphism of the 4-Alkoxy-benzoic Acids' by G.W. Gray and Brynmor Jones (Jul 1954);

9. 'Mesomorphism and Chemical Constitution. Part IV. The Effect of Substitution on the Mesomorphism of the 6-n-Alkoxy-2-naphthoic Acids' by G.W. Gray and Brynmor Jones (Jan 1955);

10. 'Mesomorphism and Chemical Constitution. Part V. The Mesomorphic Properties of the 4'-n-Alkoxydiphenyl-4-carboxylic Acids and their Simple Alkyl Esters' by G.W. Gray, J.B. Hartley and Brynmor Jones (May 1955);

11. 'A Projection Instrument to Aid in the Determination of Mesomorphic and Polymorphic Transition Temperatures' by G.W. Gray and A. Ibbotson (Dec 1955);

12. 'Mesomorphism and Chemical Constitution. Part VI. Certain Mono- and Di-anils of the Benzene, Diphenyl, Fluorene, and Fluorenone Series' by G.W. Gray, J.B. Hartley, A. Ibbotson and Brynmor Jones (Dec 1955);

13. 'Mesomorphism and Chemical Constitution. Part VII. The Effect of Halogen Substitution on the Mesomorphism of the trans-p-n-Alkoxycinnamic Acids' by G.W. Gray, J.B. Hartley, A. Ibbotson and Brynmor Jones (Jun 1956);

14. 'The Mesomorphic Behaviour of the Fatty Esters of Cholesterol' by G.W. Gray (Oct 1956);

15. 'Mesomorphism and Chemical Constitution. Part VIII. The Effect of 3'-Substituents on the Mesomorphism of the 4'-n-Alkoxydiphenyl-4-carboxylic Acids and their Alkyl Esters' by G.W. Gray, Brynmor Jones and F. Marson (Jan 1957);

16. 'Mesomorphism and Chemical Constitution. Part IX. The Preparation and Mesomorphic Behaviour of the 7-n-Alkoxy-fluorene- and fluorenone-2-carboxylic Acids and their n-Propyl Esters' by G.W. Gray and A. Ibbotson (Jul 1957);

17. 'Mesomorphism and Chemical Constitution. Part X. The 2-p-n-Alkoxybenzylideneaminophenanthrenes and Evidence for the Planarity of the Diphenyl Ring System in the Mesomorphic State' by G.W. Gray (Feb 1958);

18. 'Steric Effects on the Mesomorphism of Mono and Di-Benzylideneaminodiphenyls' by G.W. Gray (Jul 1958);

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

20. 'Steric Effects in Conjugated Systems' by G.W. Gray (Oct 1958);

21. 'The Mesomorphic Transition Temperatures of 3'-Substituted 4'-n-Octyloxydiphenyl-4-carboxylic Acids' by G.W. Gray and B.M. Worrall (Apr 1959);

22. 'Comments on a Reported Case of Liquid Crystallinity in Mixtures of Two Schiff's Bases' by D.J. Byron and G.W. Gray (Jun 1959);

23. 'Mesomorphism and Polymorphism in Simple Derivatives of p-Terphenyl' by P. Culling, G.W. Gray and D. Lewis' (Jun 1960);

24. 'Mesomorphism and Chemical Constitution. Part XI. The Preparation and Mesomorphic Properties of Substituted 4-p-n-Alkoxy-benzylideneaminobiphenyls' by D.J. Byron, G.W. Gray, A. Abbotson and B.M. Worrall (Apr 1963);

25. 'Mesomorphism and Chemical Constitution. Part XII. The Preparation and Mesomorphic Properties of Substituted 4,4'-Di-(p-n-Alkoxybenzylideneamino)' by D.J. Byron, G.W. Gray, A. Abbotson and B.M. Worrall (Sep 1964).