Luria 1968, pp. 1–2. Luria, J. (1968). "Problems of Source Criticism (with Reference to Medieval Russian Documents)". Slavic Review. 27 (1). Cambridge University Press: 1–22. doi:10.2307/2493909. ISSN0037-6779. (Written by Iakov Solomonovich Lur'e, Яков Соломонович Лурье. Translated from Russian to English by Michael Cherniavsky).
Luria 1968, pp. 7–9. Luria, J. (1968). "Problems of Source Criticism (with Reference to Medieval Russian Documents)". Slavic Review. 27 (1). Cambridge University Press: 1–22. doi:10.2307/2493909. ISSN0037-6779. (Written by Iakov Solomonovich Lur'e, Яков Соломонович Лурье. Translated from Russian to English by Michael Cherniavsky).
Luria 1968, pp. 1–2. Luria, J. (1968). "Problems of Source Criticism (with Reference to Medieval Russian Documents)". Slavic Review. 27 (1). Cambridge University Press: 1–22. doi:10.2307/2493909. ISSN0037-6779. (Written by Iakov Solomonovich Lur'e, Яков Соломонович Лурье. Translated from Russian to English by Michael Cherniavsky).
Luria 1968, pp. 7–9. Luria, J. (1968). "Problems of Source Criticism (with Reference to Medieval Russian Documents)". Slavic Review. 27 (1). Cambridge University Press: 1–22. doi:10.2307/2493909. ISSN0037-6779. (Written by Iakov Solomonovich Lur'e, Яков Соломонович Лурье. Translated from Russian to English by Michael Cherniavsky).