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E. Gifford, New table of natural sines, Napier Tercentenary Memorial Volume, pp.287-292, 1915.

E. Gifford, Natural tangents to every second of arc and eight places of decimals, 1920.

E. Gifford, Natural secants to every second of arc and eight places of decimals, 1929.

E. Gifford, Primes and factors, 1931.

L. Taylor and F. , Also published as part of the Report of the forty-third meeting of the British Association for the advancement of science, London: John Murray, 1874. A review by R. Radau was published in the Bulletin des sciences mathématiques et astronomiques, pp.7-27, 1876.