Series 1. Reprints 1929-1963
Langelier, Wilfred F. Die analytische Überwachung der Wasserentsäuerung 1937
A souvenir of the golden anniversary of the Water Purification Division : celebrated at the 83rd Annual Conference of the American Water Works Association, Kansas City, May 19-24, 1963 1963
Series 2. Miscellaneous 1925-1974
Draft of introduction to the oral history of Wilfred F. Langelier 1973
Annual report of W.F. Langelier, chemist, to East Bay Water Company for the calendar year 1925