1796: Parker's Patent
1797: Northfleet in the time of James Parker
1822: Frost's Patent
1824: Aspdin's Patent
1877: Henry Reid on Rugby
1880: I C Johnson's experiments on Portland Cement
1882: The Folkestone Cement Company
1887: Rotary kiln at Gibbs Works, West Thurrock
1889: Cement Manufacture at the North-east Ports
1891: Stokes' Kiln in The Engineer
1897: Lewis on Grays and Cliffe
1900: Prospectus of APCM
1900: The First British Rotary Kiln
1901: Opinions on Rotary Kilns
1903: Cement Manufacture in Ireland
1904: Joseph Aspdin's Memorial
1907: John Hudson Earle on Otto Kramer Trechmann
1907: Macrosty on APCM
1909: John Hudson Earle on Harold Anderson
1909: Early 20th century capacity data
1919: Biography of Carl Otto Trechmann
1924: APCM Plant Schedule
1924: BPCM Plant Schedule
1925: The First Planetary Cooler
1925: Progress Reports of the BPCRA
1968: Anhydrite Process Kiln Downtime Analysis