Note (op) indicates originating from Beckton Products Works.

F Accum, Gas Works in London,(London, Thos. Boys, 1819)

G T Calvert, The manufacture of sulphate of ammonia, (London, John Allen, 1911)

Stirling Everard, The history of the Gas Light and Coke Company, 1812 - 1949, 1^st Edition (London, Ernest Benn Ltd, 1949)

M Falkus, Always under pressure- A history of North Thames Gas since 1949. 1^st Edition (London, Macmillan, 1988)

J Griffiths, The third man - the life and times of William Murdoch, inventor of gas light. 1^st Edition (London, Andre Deutsch, 1992).

G Lunge A treatise on the distillation of coal tar and ammonia liquor 1^st Edition (London, Van Voorst, 1882)

G Lunge Coal tar and ammonia. 3rd Edition (London, Gurney & Jackson, 1890)

M Mills The early East London gas industry and its waste products (London, M Wright, 1999)

P Parrish, The design and working of ammonia stills (London, Ernest Benn, 1924)

J S Sach (Ed). Coal tar fuels. (Association of Tar Distillers, 1951) (op)

A R Warnes, Coal tar distillation, 1^st Edition (London, John Allan, 1913)

A R Warnes, Coal tar distillation and working up of by-products, 3^rd Edition (London, Ernest Benn, 1923)

The story of Beckton - the Products Works. Gas Times, 1948, 55, 163-166, 247-249, 377-382. (op).

W G Adam. Distilled tar for roads. Gas Journal, 1 Dec 1926, p.553. (op)

W G Adam. Coal tar distillation and its products. School Science Review No. 38, Dec 1928. (op)

W G Adam. Gas liquor and ammonium sulphate. School Science Review No. 4, June 1929.(op)

W G Adam and J Sach. Free carbon formation in coal tars and pitches. JSCI, 1929, 48 (46) 337-341. (op).

W G Adam. A plea for the standardisation of analytical methods in coal tar specifications. ,Gas Journal, 8 Dec 1936, p. 627.(op)

W G Adam & F M Potter. The constitution of road tar. JSCI, 1937, 56, 413-414. (op).

W G Adam, W V Shannan and J S Sach. A solvent method for the examination of coal tars. JSCI, 1937, 56, 414-418. (op).

W G Adam, D G Murdoch and J Mott. Physical phenomena associated with certain road tars. E. JSCI, 1937, 56, 418-422. (op).

W G Adam. The history and present practice of the tar distillation industry. J Jun Inst Eng, 1945, 55, (12). (op).

L W Blundell. Commercial possibilities of metallic peroxides as a source of hydrogen peroxide. Trans I Chem E, 1930, 8, 191. (op)

L W Blundell. Raw materials derived from coal., Manchester Guardian, 7 May 1956, p.11. (op)

L W Blundell. The contribution of by-products to the chemical industry., Financial Times, 14 May 1957, Supp II. (op)

L W Blundell. By-products in the economy of gas manufacture. Inst of Gas Engineers. Pub. No. 528, May 1958. (op)

D Eastham. Hardman & Holden - A Manchester chemical manufacturer. MSc Dissertation, University of Liverpool, 1998.

W E Golding & C A Townsend. Gas chromatography of pyridine bases: elimination of peak tailing. Chemistry & Industry,1960, 48, 1476. (op)

D G Murdoch and M Cuckney. The removal of phenols from gas works ammoniacal liquor. Trans Inst Chem Eng, 1946, 24, 90-101. (op)

F M Potter. Coal gas and by-products. Soc. of Chem Ind.Congress Handbook,1926. (op)

F M Potter. Chemical works organisation and costs. Industrial Chemist, December 1927. (op)

F M Potter and J Sach. Determination of the viscosity on small samples of tar. Roads, 1930, 8, 121. (op)

F M Potter. Articles on carbolic acid and creosote for the supplementary volume of Thorpes Dictionary of Applied Chemistry, 1932. (op)

F M Potter and H B Williams. Determination of o-cresol. JSCI, 1932, 51, 597. (op)

Trewby G C & Fenner H W. Improvements in the distillation of coal tar. Patent application in 1880.

Fenner H W. Improvements in the distillation of coal tar. B P 13629/84.

Fenner H W. Improvements in the distillation of coal tar. B P 13630/84.

Gas Light & Coke Co. Adam W G. A continuous fractionation plant for the processing of crude benzole. B P 112966/1916

Gas Light & Coke Co. Adam W G and Murdoch D G. Improvements in and relating to the production of sulphate of ammonia. B P 330945 and BP 330947.

Gas Light & Coke Co. Adam W G and Gray P. Improvements to pipework systems conveying materials such as molten pitch. B P 535017/1937.

North Thames Gas Board. Golding W E. Improvements in or relating to the purification of naphthalene. B P 694,327.

North Thames Gas Board. Haigh K G. Improvements in or relating to methods for proportioning two reactants. B P 749,372.

Improvements in or connected with the manufacture of sulphate of ammonia and apparatus therefor. EP 19255/1889 *

Improvements in or relating to furnaces. EP 9309/1895 *

Manufacture and purification of alkali cyanides. EP 24307/1899

Manufacture of anthracene. EP 27559/1898

Treatment of hydrogen sulphide from a sulphate of ammonia saturator. EP 15468/1901

Apparatus for raising and forcing liquids (gas liquors etc). EP 5422/1902

Apparatus for the distillation of ammoniacal liquors. EP 28251/1902

Improvements in oil fuel burners. EP 22753/1904 *

Improvements in furnaces. EP 24785/1904

The manufacture and recovery of pyridine and similar organic bases. EP 4766/1905 **

Distillation of tar. EP 26910/1907 *

* With G Wilton

** With R Lessing