Electrophoresis
Reuss F.F. Sur un nouvel effet de l’electricite galvanique // Mémoires de la Société Imperiale des Naturalistes de Moscou. 1809. V. 2. P. 327-337, in French. This volume of the journal of the Moscow Society of Nature Enthusiasts <Moskovskoe obshchestvo lyubitelei prirody> is available at archive.org.
Esin-Markov effect
Esin O., Markov B. On an experimental verification of Stern’s double layer theory // Zhurnal Fizicheskoi Khimii. 1939. V. 13. P. 318-325, in Russian. Translated version: Acta Physicochimica URSS. 1939. V. 10. P. 353-364. About Esin and Markov.