B1923

J. N. Brønsted
Recueil des Travaux Chimiques des Pays-Bas
42, 718-728 (1923).
ON-LINE: http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/Bronsted-Article.html 

L1923

T. M. Lowry, "The Uniqueness of Hydrogen" Chemistry and Industry 42, 43-47 (1923).
ON-LINE: http://dbhs.wvusd.k12.ca.us/webdocs/AcidBase/Bronsted-Lowry-AcidBase.html 

S1909

S.P.L. Sörenson,
Enzyme Studies II. The Measurement and Meaning of Hydrogen Ion Concentration in Enzymatic Processes, Biochemische Zeitschrift, 21, 131-200.(1909).
OO-LINE: http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/Sorenson-article.html