1931

• Frumkin A., Zarubina O., Lewina S. On the state of the surface of platinized charcoal under simultaneous presence of hydrogen and oxygen and on the action of the active centers // Zhurnal Fizicheskoi Khimii. 1931. V. 2. P. 545–552, in Russian. Translation (German): Z. phys. Chem. A. 1931. Bd. 155. S. 41–50.
• Proskurnin M., Frumkin A. Über den Nullpunkt der Ladung von Silver // Z. phys. Chem. A. 1931. Bd. 155. S. 29–40.
• Frumkin A., Burschtein R., Lewin P. Über aktivierte Kohle // Z. phys. Chem. A. 1931. Bd. 167. S. 442–446.
• Frumkin A., Obrutschewa A. Über den Zusammenhang zwischen den balloelektrischen Erscheinungen und der Potentialdifferenz an der Trennungsflache Gas/Lösung // Kolloid Z. 1931. Bd. 54. S. 2–7.

1932

• Frumkin A., Gorodetzkaja A., Kabanow В., Nekrassow N. Kapillarelektrische Erscheinungen und Benetzung von Metallen durch Elektrolytlösungen. I // Phys. Z. Sowjetunion. 1932. Bd. 1. S. 255–284. In Russian: Zhurnal Fizicheskoi Khimii. 1932. V. 3. P. 351-367. This series is continued by Part II published by Gorodetzkaja and Kabanow, and Part III authored by Kabanow and Iwanishchenko.
• Burstein R., Frumkin A. Über die Beeinflussung der Kinetik der Ethylenadsorption durcheinen Pt-Gehalt der aktivierten Kohle // Phys. Z. Sowjetunion. 1932. Bd. 2. S. 198–199.
• Frumkin A. Bemerkung zur Theorie der Wasserstoffüberspannung // Z. phys. Chem. A. 1932. Bd. 160. S. 116–118.
• Burstein R., Frumkin A. The sorption of hydrogen by platinized charcoal // Trans. Faraday Soc. 1932. Vol. 28, N P. 273–275. Russian version: Zhurnal Fizicheskoi Khimii. 1932. V. 3. P. 106-107.

1933

• Burshtein R., Frumkin A., Fedotov N. On the mechanism of activated adsorption // Zhurnal Fizicheskoi Khimii. 1933. V. 4. P. 521-522, in Russian. Translated version: Burstein R., Frumkin A., Fedotow N. Experimental evidence for activated adsorption of hydrogen by charcoal // J. Amer. Chem. Soc. 1933. Vol. 55. P. 3052–3053.
• Kabanov B., Frumkin A. The size of gas bubbles evolving in the course of electrolysis // Zhurnal Fizicheskoi Khimii. 1933. V. 4. P. 538-548, in Russian. Translated version: Kabanow В., Frumkin A. Über die Grösse elektrolytisch entwickelter Gasblasen // Z. phys. Chem. A. 1933. Bd. 165. S. 433–452. There is also a supplement published separately: Nachtrag zu der Arbeit: «Über die Grösse elektrolytisch entwickelter Gasblasen» // Z. phys. Chem. A. 1933. Bd. 166. S. 316–317.
• Frumkin A. Wasserstoffüberspannung und Struktur der Doppelschicht // Z. phys.Chem. A. 1933. Bd. 164. S. 121–133. Basic article presenting Frumkin correction (also named ‘slow discharge theory’ in Russian literature). Experimental data considered in this work are accepted from: Herasymenko P., Šlendyk I. Wasserstoffüberspannung und Adsorption der Ionen // Z. phys. Chem. A. 1930. Bd. 149. S. 123-139.

1934

• Frumkin A.N., Shlygin A.I. On the platinum electrode // Doklady Akademii Nauk SSSR. 1934. V. 2. P. 173–176 in Russian. Translation (in German) is available at P. 176-179. Temkin isotherm appears here for the first time (see the last page): Temkin treated the authors’ data to find the interval of adsorption heat corresponding to various surface coverages.
• Frumkin A., Gorodetzkaja A., Tschugunoff P. Über die Bildung von polymolekularen Schichten an  der  Trennungsfläche Quecksilber/Lösung // Acta physicochim. URSS. 1934. Vol. 1, N 1. S. 12–21.
• Frumkin A., Bruns B. Über Maxima der Polarisationskurven von Quecksilberkathoden // Acta physicochim. URSS. 1934. V. 1. S. 232–246.

1935

• Iofa Z., Frumkin A., Tschugunoff P. Phasengrenzkräfte an der Trennungsfläche gasförmig–flüssig. V. Halogensubstituierte Fettsäuren // Acta physicochim. URSS. 1935. V. 1. S. 883–900.
• Gerowitsch M., Frumkin A. Phasengrenzkräfte an der Trennungsfläche gasförmig-flüssig. VI. Eine neue Methode zur Messung der Potentialdifferenz an ruhenden Oberflächen // Acta physicochim. URSS. 1935. Vol. 2. S. 1–8.
• Lewina S., Frumkin A., Lunew A. Der Einfluss von Platin auf die Adsorptionseigenschaften der Kohle in Elektrolytlösungen // Acta physicochim. URSS. 1935. Vol. 3. S. 397–412. Russian version was published later: Zhurnal Fizicheskoi Khimii. 1936. V.7. P. 664–673.
• Frumkin A., Fuchs N. Über den Dampfdruck kleiner Tröpfchen und Krystalle // Acta physicochim. URSS. 1935. Vol. 3. S. 783–790. Applicability of Kelvin Equation for vapor pressure in equilibrium with small particles is considered, influenced by the recent article of Kaishev and Stranski.
• Schlygin A., Frumkin A. Über die Platinelektrode. I. Kapazitat von platiniertem Platin in verschiedenen Elektrolyten und elektromotorisches Verhalten von adsorbiertem Wasserstoff // Acta physicochim. URSS. 1935. Vol. 3, N 6.  791–818. Parts II (1936), III (1936), and VI (1937 in Russian and 1938 in German) are co-authored by Frumkin, see below. Part IV is published by Ershler and Proskurnin (1936 in Russian and 1937 in German), Part V is published by Ershler (1937), and the combined Parts VII, VIII are authored by Shlygin and Ershler (1939). See also Part IX (1952) and Part X (1952).
• Proskurnin M., Frumkin A. A new determination of the capacity of the electrical double layer // Faraday Soc. 1935. Vol. 31. P. 110–115.

1936

• Obrucheva A., Frumkin A. On the mechanism of appearance of potential drop on platinum in solutions of silver salts // Doklady Akademii Nauk SSSR. 1936. V. 4(13). P. 11-13, in Russian. Translation is available in the same file after Russian version: Obručeva A., Frumkin A. Über die potentialeinstellung von  platin in silbersalzlösungen // Comptes Rendus (Doklady) de Academie des Science de L’URSS. 1936. V. 4(13). P. 11-13.
• Schlygin A., Frumkin A., Medwedowsky W. Über die Platinelektrode. II. Die Adsorption-seigenschaften der Pt-Elektrode // Acta physicochim. URSS. 1936. Vol. 4, N 6. P. 911–928. Inversion of the potential of zero free charge is documented for platinum.
• Frumkin A., Schlygin A. The platinum electrode. III. Adsorbed atoms and ions on the surface of a platinum electrode // Acta physicochim. URSS. 1936. Vol. 5, N 6. P. 819–840. See the comments about this series in Part I item (1935) above. Russian version is published in Izvestiya Akademii Nauk SSSR. Seriya Khimicheskaya. 1936. N 5. P. 773-791. This and the previous items should be considered as the starting point of the development of interfacial thermodynamics for the perfectly polarizable electrodes.
• Gerovich M., Frumkin A. Electrical properties of films of w-bromo-hexadecanoic acid // Chem. Phys. 1936. V. 4. P. 624.

1937

• Ershler B, Deborin G., Frumkin A. On the platinum electrode. VI. Adsorption of hydrogen and oxygen on platinum at high temperatures // Izvestiya Akademii Nauk SSSR. Seria Khimicheskaya. 1937. N 5. P. 1065-1073, in Russian. Translation was published in 1938: Erschler В., Deborin G., Frumkin A. Über die Platinelektrode. VI. Adsorption von Wasserstoff und Sauerstoff an Platin bei höheren Temperaturen // Acta physicochimica URSS. 1938. V. 8. P. 565–576. See the comments about this series in Part I item (1935) above.
• Frumkin A. On the theory of hydrogen overvoltage // Zhurnal Fizicheskoi Khimii. 1937. V. 10. P. 568–574, in Russian. Translated version: Bemerkung zur Theorie der Wasserstoffüberspannung // Acta physicochimica URSS. 1937. V. 7. P. 475–484. Kinetics of hydrogen evolution in case of high enough surface coverage with H intermediates is considered, motivation goes from Levina-Lukovtsev experiments on nickel (published in 1939).

1938

• Gorodetskaya A., Frumkin A. Investigation of thin layers of organic substances on the mercury-solution boundary by the method of capacity measurements. High molecular <weight> alcohols and acids // Comptes Rendus (Doklady) de L’Academie des Sciences de L’URSS. 1938. V. 18. P. 639– 643 (in German). Russian version: Doklady AN SSSR. 1938. V. 18. P. 649-653.This is Part I, continued by Gorodetskaya in her 1940 article.
• Jofa S., Frumkin A. On the influence of stirring on current voltage curves obtaind with a mercury cathode // Comptes Rendus (Doklady) de L’Academie des Sciences de L’URSS. 1938. V. 20, N 4. P. 293–296 (in English). Russian version: Doklady Akademii Nauk SSSR. 1938. V. 20. P. 293-296.
• Balashova N., Frumkin A. Elektrokinetisches verhalten von platin bei verschiedenen potentialen // Comptes Rendus (Doklady) de L’Academie des Sciences de L’URSS. 1938. V. 20. P. 449– 452 (in German). Russian version: Doklady Akademii Nauk SSSR. 1938. V. 20. P. 449-452. This is independent experimental confirmation of the inversion of the potential of zero free charge induced by oxygen adsorption.
• Frumkin A. Über die Erscheinungen der Benetzung und des Anhaftens von Bläschen. I //  Acta physicochim. URSS. 1938. V. 9. S. 313–326. Russian version: Zhurnal Fizicheskoi Khimii. 1938. V. 12. P. 337-345.
• Frumkin A., Gorodetzkaja A. On the phenomena of wetting and the adsorption of bubbles. II. The mechanism of the adhesion of bubbles to a mercury surface // Acta physicochim. URSS. 1938. Vol. 9, N P. 327–340. Russian version: Zhurnal Fizicheskoi Khimii. 1938. V. 12. P. 511-520.
• Frumkin A.N., Pankratov A.I. Properties of Monomolecular Layers on Solutions of Salts. II // Zhurnal Fizicheskoi Khimii. 1938. V. 12. P. 549-555, in Russian. Translated version appeared later: Acta physicochim. URSS. 1939. V. 10. P. 55–64. Part I was published by A.I. Pankratov in the same issues in Russian and in English.
• Bruns В., Frumkin А., Iofa S., Vanjukova L., Zolotarewskaja S. Maxima on current voltage  curves // Acta physicochim. URSS. 1938. V. 9. P. 359–372. Russian version was published later: Zhurnal Fizicheskoi Khimii. 1939. V. 13. P. 786-793. See also 1945 article of Iofa et al. (seems to be delayed because of WWII).
• Gerovich M., Frumkin A., Vargin D. Dipole moment and surface potentials // J. Chem. Phys. 1938. V. 6. P. 906.

1939

• Vorsina M.A., Frumkin A.N. Capacity of the double layer of the mercury electrode in dilute solutions of hydrochloric acid and of potassium chloride // Comptes Rendus (Doklady) de L’Academie des Sciences de L’URSS. 1939. V. 24. P. 918–921. Russian version: Doklady Akademii Nauk SSSR. 1939. V. 24. P. 918-921.
• Lukowzew P., Lewina S., Frumkin A. Hydrogen overvoltage on nickel. // Acta physicochim. URSS. 1939. V. 11. P. 21–44. Russian version: Zhurnal Fizicheskoi Khimii. 1939. V. 13. P. 916-930. Interrelated with Lewina’s Letter to Editor (Acta physicochim. URSS. 1941. Vol.14. P. 294-295) on the dependence of H/D isotope exchange on Ni in alkaline solutions.
• Jofa S., Frumkin A. Electrocapillary curves of concentrated solutions of acids // Acta physicochim. URSS. 1939. V. 10, N 4 P. 473–480. In Russian: Zhurnal Fizicheskoi Khimii. 1939. V. 13. P. 931-933. Russian version has the subtitle “I. Derivation of adsorption equation” and corresponding additional content. Part II is published in Russian by Iofa et al. in the same issue.
• Erschler В., Frumkin A. Surface chemistry of the platinum electrode // Trans. Faraday Soc. 1939. V. 35. P. 464–467.
• Frumkin A. Calculation of the absolute potential of the normal calomel electrode from the free energy of hydration of gaseous ions // J. Chem. Phys. 1939. V. 7. 552–553.

1940

• Kuchinsky Е., Burshtein R., Frumkin A. Adsorption of electrolyte on charcoal // Acta physicochim.  URSS. 1940. Vol. 2, N P. 795–830. Russian version: Zhurnal Fizicheskoi Khimii. 1940. V. 14. P. 441-460. Closely interrelated study of N.A. Bach “The electrokinetic behaviour of carbon” in Acta physicochim. URSS 1941. V.14. P.463-482 in available in this e-book.
• Dolin P., Ershler В., Frumkin A. Kinetics of processes on the platinum electrode. II. The rate of discharge of H-ions and the rate of the over-all process of hydrogen evolution on platinum // Acta physicochim. URSS. 1940. V. 13, N  P. 779–792. Russian version: Zhurnal Fizicheskoi Khimii. 1940. V. 14. P. 907-915. Part I is published by Dolin and Ershler in Russian and in English. Part III is in the next item.
• Frumkin A., Dolin P., Ershler В. Kinetics of processes on the platinum electrode. III. The influence of the diffusion of molecular hydrogen on the capacity of the platinum electrode // Acta physicochim. URSS. 1940. V. 13. P. 793–802. Russian version: Zhurnal Fizicheskoi Khimii. 1940. V. 14. P. 916-921.
• Frumkin A. The study of the double layer at the metal-solution interface by electrokinetic and electrochemical methods // Trans. Faraday Soc. 1940. V. 36. P. 117–127.