[EPW039483] Bowater's Paper Mill, Portland Road and Tilbury Docks, Northfleet, 1932
	[EPW060960] Portland Cement Works and the River Thames, Stone, 1939
	[EPW032823] The Lion Cement Works, West Thurrock, 1930
	[EPW026634] The Lion Portland Cement Works with wharves and piers on the River Thames, South Stifford, 1929
	[EPW026360] The Lion Cement Works, Gibb's Cement Works and surrounding countryside, South Stifford, from the south, 1929
	[EPW026633] The Thames and Lion Portland Cement Works with wharves and piers on the River Thames, South Stifford, from the south, 1929
	[EPW017639] The Portland Cement Works, Northfleet, 1927
	[EPW017653] The Kent Portland Cement Works, Stone, 1927